BH
The Gitrog Monster
87 decks (0.29%)
Rank #71

# Creatures (50)

Lotus Cobra
79 of 87 decks (90%)
71% synergy
Tireless Provisioner
70 of 87 decks (80%)
48% synergy
Ramunap Excavator
70 of 87 decks (80%)
70% synergy
Oracle of Mul Daya
60 of 87 decks (68%)
54% synergy
Azusa, Lost but Seeking
59 of 87 decks (67%)
60% synergy
Scute Swarm
58 of 87 decks (66%)
44% synergy
Dryad of the Ilysian Grove
50 of 87 decks (57%)
48% synergy
Llanowar Elves
48 of 87 decks (55%)
0% synergy
Ancient Greenwarden
45 of 87 decks (51%)
45% synergy
Springbloom Druid
43 of 87 decks (49%)
39% synergy
Kami of Bamboo Groves
42 of 87 decks (48%)
33% synergy
World Shaper
39 of 87 decks (44%)
33% synergy
Titania, Voice of Gaea
39 of 87 decks (44%)
39% synergy
Delighted Halfling
38 of 87 decks (43%)
11% synergy
Nissa, Resurgent Animist
37 of 87 decks (42%)
32% synergy
Elvish Mystic
37 of 87 decks (42%)
0% synergy
Arboreal Grazer
36 of 87 decks (41%)
34% synergy
Tireless Tracker
35 of 87 decks (40%)
30% synergy
Underrealm Lich
34 of 87 decks (39%)
29% synergy
Primeval Titan
34 of 87 decks (39%)
28% synergy
Ashaya, Soul of the Wild
33 of 87 decks (37%)
26% synergy
Shigeki, Jukai Visionary
31 of 87 decks (35%)
24% synergy
Timeless Witness
30 of 87 decks (34%)
21% synergy
Elvish Reclaimer
27 of 87 decks (31%)
26% synergy
Augur of Autumn
27 of 87 decks (31%)
23% synergy
Sheoldred, the Apocalypse
25 of 87 decks (28%)
-2% synergy
Courser of Kruphix
25 of 87 decks (28%)
23% synergy
Cavalier of Thorns
22 of 87 decks (25%)
19% synergy
Murderous Rider // Swift End
21 of 87 decks (24%)
3% synergy
Blossoming Tortoise
20 of 87 decks (22%)
16% synergy
Cultivator Colossus
19 of 87 decks (21%)
17% synergy
Mythweaver Poq
19 of 87 decks (21%)
17% synergy
Wayward Swordtooth
19 of 87 decks (21%)
17% synergy
Aftermath Analyst
18 of 87 decks (20%)
14% synergy
Paradise Druid
17 of 87 decks (19%)
-3% synergy
Uurg, Spawn of Turg
16 of 87 decks (18%)
15% synergy
Beanstalk Giant // Fertile Footsteps
16 of 87 decks (18%)
12% synergy
Gitrog, Horror of Zhava
15 of 87 decks (17%)
13% synergy
Vinesoul Spider
15 of 87 decks (17%)
13% synergy
Emrakul, the Promised End
15 of 87 decks (17%)
11% synergy
Massacre Wurm
15 of 87 decks (17%)
5% synergy
Old Rutstein
14 of 87 decks (16%)
-1% synergy
Gilded Goose
14 of 87 decks (16%)
-9% synergy
Stitcher's Supplier
13 of 87 decks (14%)
3% synergy
Tangled Florahedron // Tangled Vale
Tangled Florahedron // Tangled Vale
13 of 87 decks (14%)
6% synergy
Vorinclex // The Grand Evolution
Vorinclex // The Grand Evolution
12 of 87 decks (13%)
0% synergy
Perennial Behemoth
12 of 87 decks (13%)
12% synergy
Skull Prophet
12 of 87 decks (13%)
-1% synergy
Syr Konrad, the Grim
12 of 87 decks (13%)
4% synergy
Elvish Rejuvenator
11 of 87 decks (12%)
8% synergy

# Instants (50)

Assassin's Trophy
60 of 87 decks (68%)
27% synergy
Harrow
51 of 87 decks (58%)
41% synergy
Dark Ritual
47 of 87 decks (54%)
17% synergy
Fatal Push
45 of 87 decks (51%)
27% synergy
Tear Asunder
42 of 87 decks (48%)
12% synergy
Infernal Grasp
39 of 87 decks (44%)
4% synergy
Roiling Regrowth
34 of 87 decks (39%)
31% synergy
Deathsprout
33 of 87 decks (37%)
13% synergy
Putrefy
28 of 87 decks (32%)
11% synergy
Baleful Mastery
23 of 87 decks (26%)
12% synergy
Entish Restoration
21 of 87 decks (24%)
16% synergy
Heroic Intervention
21 of 87 decks (24%)
4% synergy
Heartless Act
19 of 87 decks (21%)
-3% synergy
Cut Down
19 of 87 decks (21%)
5% synergy
Sheoldred's Edict
18 of 87 decks (20%)
0% synergy
Go for the Throat
17 of 87 decks (19%)
-12% synergy
Bitter Triumph
17 of 87 decks (19%)
2% synergy
Malakir Rebirth // Malakir Mire
Malakir Rebirth // Malakir Mire
16 of 87 decks (18%)
-2% synergy
Veil of Summer
15 of 87 decks (17%)
8% synergy
Grisly Salvage
15 of 87 decks (17%)
9% synergy
Archdruid's Charm
14 of 87 decks (16%)
11% synergy
Tamiyo's Safekeeping
13 of 87 decks (14%)
-2% synergy
Mortality Spear
13 of 87 decks (14%)
0% synergy
Eat to Extinction
11 of 87 decks (12%)
7% synergy
Once Upon a Time
10 of 87 decks (11%)
5% synergy
Abrupt Decay
9 of 87 decks (10%)
3% synergy
Turn the Earth
9 of 87 decks (10%)
9% synergy
Hero's Downfall
8 of 87 decks (9%)
-1% synergy
Snakeskin Veil
7 of 87 decks (8%)
-3% synergy
Soul Shatter
7 of 87 decks (8%)
2% synergy
Dismember
6 of 87 decks (6%)
5% synergy
Fell the Profane // Fell Mire
Fell the Profane // Fell Mire
5 of 87 decks (5%)
-2% synergy
Power Word Kill
5 of 87 decks (5%)
-3% synergy
Urgent Necropsy
4 of 87 decks (4%)
1% synergy
Tyvar's Stand
4 of 87 decks (4%)
-3% synergy
Vraska's Contempt
4 of 87 decks (4%)
0% synergy
Blot Out
4 of 87 decks (4%)
3% synergy
Hagra Mauling // Hagra Broodpit
Hagra Mauling // Hagra Broodpit
4 of 87 decks (4%)
-4% synergy
Return of the Wildspeaker
3 of 87 decks (3%)
-6% synergy
Revitalizing Repast // Old-Growth Grove
Revitalizing Repast // Old-Growth Grove
3 of 87 decks (3%)
-4% synergy
Force of Vigor
3 of 87 decks (3%)
0% synergy
March of Wretched Sorrow
3 of 87 decks (3%)
0% synergy
Krosan Grip
3 of 87 decks (3%)
-1% synergy
Cast Down
3 of 87 decks (3%)
0% synergy
Price of Fame
3 of 87 decks (3%)
0% synergy
Chord of Calling
3 of 87 decks (3%)
-1% synergy
Corpse Churn
3 of 87 decks (3%)
1% synergy
You Line Up the Shot
2 of 87 decks (2%)
0% synergy
Grapple with the Past
2 of 87 decks (2%)
0% synergy
Seed of Hope
2 of 87 decks (2%)
1% synergy

# Sorceries (50)

Cultivate
59 of 87 decks (67%)
22% synergy
Explore
59 of 87 decks (67%)
50% synergy
Into the North
56 of 87 decks (64%)
33% synergy
Casualties of War
54 of 87 decks (62%)
22% synergy
Splendid Reclamation
43 of 87 decks (49%)
44% synergy
Thoughtseize
41 of 87 decks (47%)
13% synergy
Dig Up
40 of 87 decks (45%)
25% synergy
Bala Ged Recovery // Bala Ged Sanctuary
Bala Ged Recovery // Bala Ged Sanctuary
38 of 87 decks (43%)
21% synergy
Finale of Devastation
34 of 87 decks (39%)
27% synergy
Scapeshift
33 of 87 decks (37%)
34% synergy
Blood on the Snow
32 of 87 decks (36%)
10% synergy
Maelstrom Pulse
32 of 87 decks (36%)
17% synergy
Grim Tutor
29 of 87 decks (33%)
14% synergy
Assemble the Team
27 of 87 decks (31%)
7% synergy
Bloodchief's Thirst
25 of 87 decks (28%)
9% synergy
Emergent Sequence
24 of 87 decks (27%)
22% synergy
Agadeem's Awakening // Agadeem, the Undercrypt
Agadeem's Awakening // Agadeem, the Undercrypt
24 of 87 decks (27%)
2% synergy
Inquisition of Kozilek
23 of 87 decks (26%)
11% synergy
Witherbloom Command
23 of 87 decks (26%)
18% synergy
Duress
21 of 87 decks (24%)
6% synergy
Feed the Swarm
21 of 87 decks (24%)
1% synergy
Gaea's Blessing
20 of 87 decks (22%)
17% synergy
Find // Finality
19 of 87 decks (21%)
15% synergy
Turntimber Symbiosis // Turntimber, Serpentine Wood
Turntimber Symbiosis // Turntimber, Serpentine Wood
17 of 87 decks (19%)
6% synergy
Culling Ritual
17 of 87 decks (19%)
10% synergy
Breach the Multiverse
16 of 87 decks (18%)
4% synergy
Crux of Fate
16 of 87 decks (18%)
7% synergy
Regrowth
16 of 87 decks (18%)
11% synergy
Glimpse the Core
15 of 87 decks (17%)
12% synergy
Thought Distortion
14 of 87 decks (16%)
12% synergy
Awaken the Woods
13 of 87 decks (14%)
7% synergy
Settle the Wilds
11 of 87 decks (12%)
5% synergy
Reanimate
10 of 87 decks (11%)
-3% synergy
Extinction Event
10 of 87 decks (11%)
5% synergy
Vastwood Surge
10 of 87 decks (11%)
8% synergy
Diabolic Intent
9 of 87 decks (10%)
-8% synergy
Urborg Repossession
9 of 87 decks (10%)
3% synergy
Mastermind's Acquisition
9 of 87 decks (10%)
7% synergy
Shadows' Verdict
9 of 87 decks (10%)
8% synergy
Circuitous Route
8 of 87 decks (9%)
6% synergy
Sylvan Scrying
8 of 87 decks (9%)
8% synergy
Bone Shards
8 of 87 decks (9%)
-2% synergy
Agonizing Remorse
8 of 87 decks (9%)
5% synergy
Hour of Promise
8 of 87 decks (9%)
8% synergy
Toxic Deluge
7 of 87 decks (8%)
1% synergy
Beseech the Mirror
7 of 87 decks (8%)
1% synergy
Languish
7 of 87 decks (8%)
1% synergy
Flare of Cultivation
6 of 87 decks (6%)
2% synergy
Winding Way
6 of 87 decks (6%)
5% synergy
Nylea's Intervention
6 of 87 decks (6%)
5% synergy

# Utillity Artifacts (50)

Crucible of Worlds
69 of 87 decks (79%)
69% synergy
Conduit of Worlds
44 of 87 decks (50%)
37% synergy
Bolas's Citadel
21 of 87 decks (24%)
15% synergy
The One Ring
21 of 87 decks (24%)
10% synergy
Mind Stone
20 of 87 decks (22%)
3% synergy
The Great Henge
14 of 87 decks (16%)
-15% synergy
Wishclaw Talisman
9 of 87 decks (10%)
4% synergy
The Immortal Sun
9 of 87 decks (10%)
7% synergy
Swiftfoot Boots
9 of 87 decks (10%)
-6% synergy
Mesmeric Orb
8 of 87 decks (9%)
3% synergy
Solemn Simulacrum
8 of 87 decks (9%)
-1% synergy
Palantír of Orthanc
5 of 87 decks (5%)
0% synergy
Haywire Mite
4 of 87 decks (4%)
-7% synergy
Treasure Vault
3 of 87 decks (3%)
0% synergy
Wand of Vertebrae
2 of 87 decks (2%)
1% synergy
Hedge Shredder
2 of 87 decks (2%)
1% synergy
Burnished Hart
2 of 87 decks (2%)
0% synergy
Portal to Phyrexia
2 of 87 decks (2%)
-4% synergy
Pool of Vigorous Growth
2 of 87 decks (2%)
1% synergy
Altar of Dementia
2 of 87 decks (2%)
-4% synergy
Worn Powerstone
1 of 87 decks (1%)
0% synergy
Navigation Orb
1 of 87 decks (1%)
0% synergy
Relic of Progenitus
1 of 87 decks (1%)
1% synergy
Tablet of Compleation
1 of 87 decks (1%)
0% synergy
God-Pharaoh's Statue
1 of 87 decks (1%)
0% synergy
Wickerfolk Thresher
1 of 87 decks (1%)
1% synergy
Mishra's Bauble
1 of 87 decks (1%)
-2% synergy
Vexing Bauble
1 of 87 decks (1%)
0% synergy
Sword of Forge and Frontier
1 of 87 decks (1%)
-1% synergy
Sundering Titan
1 of 87 decks (1%)
0% synergy
Torpor Orb
1 of 87 decks (1%)
0% synergy
Mithril Coat
1 of 87 decks (1%)
-1% synergy
Defense Grid
1 of 87 decks (1%)
-1% synergy
Roaming Throne
1 of 87 decks (1%)
-4% synergy
Transmogrant's Crown
1 of 87 decks (1%)
-1% synergy
The Irencrag
1 of 87 decks (1%)
-1% synergy
Guardian Idol
1 of 87 decks (1%)
-5% synergy
Mindslaver
1 of 87 decks (1%)
0% synergy
Rootwire Amalgam
1 of 87 decks (1%)
1% synergy
Skyclave Pick-Axe
1 of 87 decks (1%)
0% synergy
Shadowspear
1 of 87 decks (1%)
-9% synergy
Lifecrafter's Bestiary
1 of 87 decks (1%)
0% synergy
Chimil, the Inner Sun
1 of 87 decks (1%)
-1% synergy
Golgari Locket
1 of 87 decks (1%)
-2% synergy
Vat of Rebirth
1 of 87 decks (1%)
-3% synergy
Bloodsoaked Altar
1 of 87 decks (1%)
0% synergy
Agatha's Soul Cauldron
1 of 87 decks (1%)
-1% synergy
Altar of Bhaal // Bone Offering
1 of 87 decks (1%)
-2% synergy
Bootleggers' Stash
1 of 87 decks (1%)
-2% synergy
Matzalantli, the Great Door // The Core
Matzalantli, the Great Door // The Core
1 of 87 decks (1%)
-1% synergy

# Enchantments (50)

Binding the Old Gods
67 of 87 decks (77%)
20% synergy
Druid Class
31 of 87 decks (35%)
27% synergy
The Meathook Massacre
26 of 87 decks (29%)
0% synergy
Spelunking
21 of 87 decks (24%)
18% synergy
Black Market Connections
20 of 87 decks (22%)
-10% synergy
Utopia Sprawl
19 of 87 decks (21%)
5% synergy
Zendikar's Roil
19 of 87 decks (21%)
18% synergy
Virtue of Persistence // Locthwain Scorn
12 of 87 decks (13%)
1% synergy
Elspeth's Nightmare
11 of 87 decks (12%)
3% synergy
The Mending of Dominaria
8 of 87 decks (9%)
5% synergy
Azusa's Many Journeys // Likeness of the Seeker
Azusa's Many Journeys // Likeness of the Seeker
8 of 87 decks (9%)
5% synergy
Springheart Nantuko
8 of 87 decks (9%)
4% synergy
Boseiju Reaches Skyward // Branch of Boseiju
Boseiju Reaches Skyward // Branch of Boseiju
8 of 87 decks (9%)
6% synergy
Phyrexian Arena
8 of 87 decks (9%)
-13% synergy
The Cruelty of Gix
7 of 87 decks (8%)
-5% synergy
Undergrowth Recon
6 of 87 decks (6%)
5% synergy
The Eldest Reborn
6 of 87 decks (6%)
-2% synergy
Roaring Earth
5 of 87 decks (5%)
3% synergy
Case of the Locked Hothouse
5 of 87 decks (5%)
4% synergy
Virtue of Strength // Garenbrig Growth
4 of 87 decks (4%)
3% synergy
Skola Grovedancer
4 of 87 decks (4%)
3% synergy
Nyxbloom Ancient
4 of 87 decks (4%)
0% synergy
Journey to Eternity // Atzal, Cave of Eternity
Journey to Eternity // Atzal, Cave of Eternity
4 of 87 decks (4%)
-8% synergy
Guardian Project
4 of 87 decks (4%)
-8% synergy
Sanctum Weaver
4 of 87 decks (4%)
3% synergy
The Binding of the Titans
4 of 87 decks (4%)
1% synergy
Kaya's Ghostform
4 of 87 decks (4%)
0% synergy
Necropotence
3 of 87 decks (3%)
1% synergy
Wolfwillow Haven
3 of 87 decks (3%)
-5% synergy
Destiny Spinner
3 of 87 decks (3%)
0% synergy
Growing Rites of Itlimoc // Itlimoc, Cradle of the Sun
Growing Rites of Itlimoc // Itlimoc, Cradle of the Sun
3 of 87 decks (3%)
-7% synergy
Grave Pact
2 of 87 decks (2%)
-7% synergy
Defense of the Heart
2 of 87 decks (2%)
-2% synergy
Up the Beanstalk
2 of 87 decks (2%)
1% synergy
Call of the Ring
2 of 87 decks (2%)
-5% synergy
Gloomshrieker
2 of 87 decks (2%)
-3% synergy
Insidious Roots
2 of 87 decks (2%)
-7% synergy
Ripples of Undeath
2 of 87 decks (2%)
-1% synergy
Runaway Growth
2 of 87 decks (2%)
1% synergy
Phyrexian Reclamation
2 of 87 decks (2%)
-2% synergy
Tribute to the World Tree
2 of 87 decks (2%)
-8% synergy
Wilderness Reclamation
2 of 87 decks (2%)
1% synergy
Oppression
1 of 87 decks (1%)
0% synergy
Demonic Embrace
1 of 87 decks (1%)
0% synergy
Oversold Cemetery
1 of 87 decks (1%)
-1% synergy
Gravebreaker Lamia
1 of 87 decks (1%)
0% synergy
Nyx Weaver
1 of 87 decks (1%)
-2% synergy
Torment of Scarabs
1 of 87 decks (1%)
0% synergy
Underworld Dreams
1 of 87 decks (1%)
0% synergy
Kenrith's Transformation
1 of 87 decks (1%)
-3% synergy

# Planeswalkers (20)

Vraska, Golgari Queen
28 of 87 decks (32%)
8% synergy
Wrenn and Seven
27 of 87 decks (31%)
21% synergy
Nissa of Shadowed Boughs
24 of 87 decks (27%)
18% synergy
Nissa, Who Shakes the World
20 of 87 decks (22%)
13% synergy
Liliana, Dreadhorde General
15 of 87 decks (17%)
-9% synergy
Wrenn and Realmbreaker
13 of 87 decks (14%)
9% synergy
Nissa, Ascended Animist
11 of 87 decks (12%)
3% synergy
Liliana of the Veil
11 of 87 decks (12%)
1% synergy
Nissa, Vital Force
10 of 87 decks (11%)
9% synergy
Liliana, Death's Majesty
9 of 87 decks (10%)
3% synergy
Garruk, Cursed Huntsman
6 of 87 decks (6%)
-7% synergy
Karn, the Great Creator
5 of 87 decks (5%)
4% synergy
Ugin, the Ineffable
4 of 87 decks (4%)
2% synergy
Professor Onyx
3 of 87 decks (3%)
-2% synergy
Vraska, Betrayal's Sting
2 of 87 decks (2%)
-5% synergy
Vivien, Arkbow Ranger
1 of 87 decks (1%)
0% synergy
Davriel, Soul Broker
1 of 87 decks (1%)
-1% synergy
Tyvar, Jubilant Brawler
1 of 87 decks (1%)
-7% synergy
Vivien Reid
1 of 87 decks (1%)
-2% synergy
Ugin, the Spirit Dragon
1 of 87 decks (1%)
0% synergy

# Utility Lands (0)

# Mana Artifacts (12)

Arcane Signet
56 of 87 decks (64%)
-1% synergy
Coldsteel Heart
16 of 87 decks (18%)
-2% synergy
Mox Amber
4 of 87 decks (4%)
-7% synergy
Chromatic Lantern
4 of 87 decks (4%)
-2% synergy
Ornithopter of Paradise
3 of 87 decks (3%)
-2% synergy
Key to the Archive
2 of 87 decks (2%)
-5% synergy
Mana Geode
1 of 87 decks (1%)
0% synergy
Gilded Lotus
1 of 87 decks (1%)
0% synergy
Letter of Acceptance
1 of 87 decks (1%)
0% synergy
Ancient Cornucopia
1 of 87 decks (1%)
0% synergy
Solar Transformer
1 of 87 decks (1%)
0% synergy
Relic of Legends
1 of 87 decks (1%)
-3% synergy

# Lands (50)

Overgrown Tomb
84 of 87 decks (96%)
17% synergy
Command Tower
78 of 87 decks (89%)
6% synergy
Fabled Passage
78 of 87 decks (89%)
38% synergy
Deathcap Glade
70 of 87 decks (80%)
1% synergy
Darkbore Pathway // Slitherbore Pathway
Darkbore Pathway // Slitherbore Pathway
68 of 87 decks (78%)
2% synergy
Riveteers Overlook
68 of 87 decks (78%)
57% synergy
Boseiju, Who Endures
65 of 87 decks (74%)
11% synergy
Woodland Cemetery
63 of 87 decks (72%)
7% synergy
Snow-Covered Swamp
62 of 87 decks (71%)
23% synergy
Snow-Covered Forest
62 of 87 decks (71%)
23% synergy
Takenuma, Abandoned Mire
59 of 87 decks (67%)
11% synergy
Field of Ruin
55 of 87 decks (63%)
41% synergy
Evolving Wilds
49 of 87 decks (56%)
40% synergy
Bojuka Bog
48 of 87 decks (55%)
24% synergy
Ghost Quarter
48 of 87 decks (55%)
49% synergy
Terramorphic Expanse
44 of 87 decks (50%)
40% synergy
Barren Moor
42 of 87 decks (48%)
40% synergy
Llanowar Wastes
42 of 87 decks (48%)
-12% synergy
Tranquil Thicket
42 of 87 decks (48%)
40% synergy
Castle Locthwain
40 of 87 decks (45%)
2% synergy
Argoth, Sanctum of Nature
39 of 87 decks (44%)
35% synergy
Polluted Delta
38 of 87 decks (43%)
23% synergy
Bloodstained Mire
37 of 87 decks (42%)
22% synergy
Woodland Chasm
37 of 87 decks (42%)
7% synergy
Brokers Hideout
36 of 87 decks (41%)
36% synergy
Windswept Heath
36 of 87 decks (41%)
20% synergy
Temple of Malady
35 of 87 decks (40%)
-8% synergy
Blooming Marsh
35 of 87 decks (40%)
-14% synergy
Castle Garenbrig
34 of 87 decks (39%)
13% synergy
Wooded Foothills
34 of 87 decks (39%)
19% synergy
Maestros Theater
31 of 87 decks (35%)
30% synergy
Lair of the Hydra
31 of 87 decks (35%)
13% synergy
Lotus Field
28 of 87 decks (32%)
28% synergy
Cabaretti Courtyard
28 of 87 decks (32%)
27% synergy
Nurturing Peatland
28 of 87 decks (32%)
12% synergy
Cavern of Souls
27 of 87 decks (31%)
13% synergy
Hive of the Eye Tyrant
27 of 87 decks (31%)
5% synergy
Obscura Storefront
26 of 87 decks (29%)
25% synergy
Cryptic Caves
23 of 87 decks (26%)
23% synergy
Underground Mortuary
23 of 87 decks (26%)
0% synergy
Reliquary Tower
23 of 87 decks (26%)
13% synergy
Phyrexian Tower
22 of 87 decks (25%)
-6% synergy
Restless Cottage
21 of 87 decks (24%)
1% synergy
Necroblossom Snarl
21 of 87 decks (24%)
-16% synergy
Blast Zone
21 of 87 decks (24%)
18% synergy
Khalni Garden
16 of 87 decks (18%)
5% synergy
Misty Rainforest
15 of 87 decks (17%)
8% synergy
Ifnir Deadlands
15 of 87 decks (17%)
12% synergy
Desert of the Indomitable
14 of 87 decks (16%)
13% synergy
Forsaken Crossroads
14 of 87 decks (16%)
2% synergy