Cosima, God of the Voyage (Commander) - Lands Matter

Background image for Doc Ock, Evil Inventor Deck Tech
Mike Carrozza
Jul 18, 2025
Doc Ock, Evil Inventor Deck Tech
What can your commander do with four extra limbs? Let's find out, with this Doc Ock, Evil Inventor deck tech, from Marvel's Spider-Man.
Deck Filters
Cardsphere
Archidekt
Commander Spellbook
Moxfield
Scryfall
MTGStocks
Wan Shi Tong, Librarian
17%inclusion1 decks6 decks
9%synergy
Tui and La, Moon and Ocean
17%inclusion1 decks6 decks
15%synergy
High Synergy Cards
Walking Atlas
77%inclusion56 decks73 decks
73%synergy
Retreat to Coralhelm
74%inclusion54 decks73 decks
71%synergy
Scaretiller
68%inclusion50 decks73 decks
68%synergy
Dreamscape Artist
66%inclusion48 decks73 decks
63%synergy
Wayfarer's Bauble
74%inclusion54 decks73 decks
56%synergy
Terrain Generator
62%inclusion45 decks73 decks
54%synergy
Solemn Simulacrum
75%inclusion55 decks73 decks
53%synergy
Burnished Hart
59%inclusion43 decks73 decks
52%synergy
Trade Routes
52%inclusion38 decks73 decks
51%synergy
Patron of the Moon
48%inclusion35 decks73 decks
47%synergy
Top Cards
High Tide
51%inclusion37 decks73 decks
6%synergy
Engulf the Shore
49%inclusion36 decks73 decks
41%synergy
Meloku the Clouded Mirror
45%inclusion33 decks73 decks
43%synergy
Counterspell
45%inclusion33 decks73 decks
-21%synergy
Ghirapur Orrery
44%inclusion32 decks73 decks
43%synergy
Roil Elemental
42%inclusion31 decks73 decks
41%synergy
Rapid Hybridization
40%inclusion29 decks73 decks
5%synergy
Scourge of Fleets
40%inclusion29 decks73 decks
27%synergy
Reality Shift
40%inclusion29 decks73 decks
12%synergy
Oblivion Sower
40%inclusion29 decks73 decks
39%synergy
Game Changers
Cyclonic Rift
26%inclusion19 decks73 decks
-9%synergy
Rhystic Study
23%inclusion17 decks73 decks
-10%synergy
Field of the Dead
16%inclusion12 decks73 decks
16%synergy
Mystical Tutor
15%inclusion11 decks73 decks
-9%synergy
Thassa's Oracle
10%inclusion7 decks73 decks
-3%synergy
Consecrated Sphinx
8.2%inclusion6 decks73 decks
-4%synergy
Ancient Tomb
6.8%inclusion5 decks73 decks
-5%synergy
Force of Will
6.8%inclusion5 decks73 decks
-11%synergy
Glacial Chasm
5.5%inclusion4 decks73 decks
5%synergy
Creatures
PuPu UFO
38%inclusion10 decks26 decks
35%synergy
Etherium Sculptor
33%inclusion24 decks73 decks
16%synergy
Foundry Inspector
29%inclusion21 decks73 decks
14%synergy
Scampering Surveyor
27%inclusion20 decks73 decks
26%synergy
Guardian of Tazeem
25%inclusion18 decks73 decks
23%synergy
Tiller Engine
25%inclusion18 decks73 decks
24%synergy
Chasm Skulker
23%inclusion17 decks73 decks
11%synergy
Katsumasa, the Animator
23%inclusion17 decks73 decks
23%synergy
Mu Yanling, Wind Rider
23%inclusion10 decks44 decks
22%synergy
Cyberdrive Awakener
21%inclusion15 decks73 decks
16%synergy
Uyo, Silent Prophet
21%inclusion15 decks73 decks
20%synergy
Trench Behemoth
21%inclusion15 decks73 decks
20%synergy
Eluge, the Shoreless Sea
20%inclusion12 decks61 decks
11%synergy
Deadeye Quartermaster
18%inclusion13 decks73 decks
17%synergy
Tideforce Elemental
18%inclusion13 decks73 decks
17%synergy
Tribute Mage
18%inclusion13 decks73 decks
9%synergy
Emry, Lurker of the Loch
18%inclusion13 decks73 decks
6%synergy
Padeem, Consul of Innovation
16%inclusion12 decks73 decks
6%synergy
Oboro Breezecaller
16%inclusion12 decks73 decks
16%synergy
Thassa, God of the Sea
16%inclusion12 decks73 decks
13%synergy
Ruin Crab
16%inclusion12 decks73 decks
8%synergy
Thought Monitor
16%inclusion12 decks73 decks
6%synergy
Fallowsage
16%inclusion12 decks73 decks
16%synergy
Research Thief
16%inclusion12 decks73 decks
14%synergy
Kefnet the Mindful
16%inclusion12 decks73 decks
15%synergy
Sai, Master Thopterist
16%inclusion12 decks73 decks
4%synergy
Gogo, Master of Mimicry
16%inclusion4 decks25 decks
13%synergy
Psychosis Crawler
15%inclusion11 decks73 decks
1%synergy
Glasspool Mimic
15%inclusion11 decks73 decks
9%synergy
Ghostly Pilferer
15%inclusion11 decks73 decks
11%synergy
Dauntless Scrapbot
15%inclusion3 decks20 decks
14%synergy
Wonderscape Sage
14%inclusion9 decks63 decks
14%synergy
Soratami Savant
14%inclusion10 decks73 decks
13%synergy
Nezahal, Primal Tide
14%inclusion10 decks73 decks
5%synergy
Unctus, Grand Metatect
14%inclusion10 decks73 decks
8%synergy
Triskaidekaphile
14%inclusion10 decks73 decks
3%synergy
Hydroelectric Specimen
13%inclusion8 decks63 decks
-1%synergy
Trophy Mage
12%inclusion9 decks73 decks
5%synergy
Master of Etherium
12%inclusion9 decks73 decks
7%synergy
Faerie Mastermind
12%inclusion9 decks73 decks
-2%synergy
Hullbreaker Horror
12%inclusion9 decks73 decks
-12%synergy
Soratami Cloudskater
12%inclusion9 decks73 decks
12%synergy
Grappling Kraken
12%inclusion6 decks51 decks
11%synergy
Loyal Inventor
11%inclusion7 decks62 decks
9%synergy
Drift of Phantasms
11%inclusion8 decks73 decks
9%synergy
The Reality Chip
11%inclusion8 decks73 decks
-2%synergy
Urza, Lord High Artificer
11%inclusion8 decks73 decks
3%synergy
Trinket Mage
11%inclusion8 decks73 decks
1%synergy
Soratami Rainshaper
10%inclusion7 decks73 decks
9%synergy
Arbiter of the Ideal
10%inclusion7 decks73 decks
9%synergy
Instants
Pongify
40%inclusion29 decks73 decks
-1%synergy
Consult the Star Charts
38%inclusion8 decks21 decks
34%synergy
An Offer You Can't Refuse
34%inclusion25 decks73 decks
-2%synergy
Ghostly Flicker
34%inclusion25 decks73 decks
23%synergy
Flow of Knowledge
33%inclusion24 decks73 decks
17%synergy
Gush
30%inclusion22 decks73 decks
27%synergy
Deprive
29%inclusion21 decks73 decks
28%synergy
Arcane Denial
29%inclusion21 decks73 decks
-7%synergy
Muddle the Mixture
27%inclusion20 decks73 decks
11%synergy
Aetherize
27%inclusion20 decks73 decks
-1%synergy
Resculpt
26%inclusion19 decks73 decks
7%synergy
Brainstorm
22%inclusion16 decks73 decks
-19%synergy
Foil
22%inclusion16 decks73 decks
16%synergy
Sink into Stupor
21%inclusion13 decks63 decks
-1%synergy
Swan Song
21%inclusion15 decks73 decks
-6%synergy
Aetherspouts
19%inclusion14 decks73 decks
12%synergy
Negate
18%inclusion13 decks73 decks
-20%synergy
March of Swirling Mist
16%inclusion12 decks73 decks
8%synergy
Evacuation
16%inclusion12 decks73 decks
9%synergy
Divert Disaster
15%inclusion3 decks20 decks
13%synergy
Desynchronization
15%inclusion9 decks62 decks
9%synergy
Whir of Invention
14%inclusion10 decks73 decks
1%synergy
Mana Drain
14%inclusion10 decks73 decks
-13%synergy
Frantic Search
12%inclusion9 decks73 decks
-17%synergy
Blue Sun's Zenith
12%inclusion9 decks73 decks
1%synergy
Thwart
11%inclusion8 decks73 decks
10%synergy
Daze
11%inclusion8 decks73 decks
9%synergy
Rewind
11%inclusion8 decks73 decks
-2%synergy
Ensnare
11%inclusion8 decks73 decks
10%synergy
Snap
11%inclusion8 decks73 decks
-7%synergy
Scour for Scrap
10%inclusion2 decks20 decks
2%synergy
Fact or Fiction
10%inclusion7 decks73 decks
-1%synergy
Cryptic Command
10%inclusion7 decks73 decks
-2%synergy
Narset's Reversal
10%inclusion7 decks73 decks
-3%synergy
Archmage's Charm
6.8%inclusion5 decks73 decks
-10%synergy
Filter Out
6.8%inclusion5 decks73 decks
3%synergy
Wash Away
6.8%inclusion5 decks73 decks
2%synergy
Mystic Confluence
6.8%inclusion5 decks73 decks
-3%synergy
Thirst for Discovery
5.5%inclusion4 decks73 decks
-1%synergy
Reins of Power
5.5%inclusion4 decks73 decks
3%synergy
Submerge
5.5%inclusion4 decks73 decks
4%synergy
Silundi Vision
5.5%inclusion4 decks73 decks
0%synergy
Pact of Negation
5.5%inclusion4 decks73 decks
-5%synergy
Mystic Reflection
5.5%inclusion4 decks73 decks
4%synergy
Capsize
5.5%inclusion4 decks73 decks
1%synergy
Force of Negation
5.5%inclusion4 decks73 decks
-10%synergy
Commandeer
5.5%inclusion4 decks73 decks
1%synergy
Sorceries
Spectral Deluge
40%inclusion29 decks73 decks
29%synergy
Retraced Image
36%inclusion26 decks73 decks
33%synergy
Ravenform
29%inclusion21 decks73 decks
19%synergy
Sea Gate Restoration
26%inclusion19 decks73 decks
11%synergy
Walk the Aeons
18%inclusion13 decks73 decks
16%synergy
Thoughtcast
16%inclusion12 decks73 decks
8%synergy
Curse of the Swine
14%inclusion10 decks73 decks
2%synergy
Rise and Shine
14%inclusion10 decks73 decks
11%synergy
Mitotic Manipulation
14%inclusion10 decks73 decks
12%synergy
Flow of Ideas
14%inclusion10 decks73 decks
9%synergy
Finale of Revelation
14%inclusion10 decks73 decks
7%synergy
Ponder
12%inclusion9 decks73 decks
-17%synergy
Windfall
12%inclusion9 decks73 decks
-11%synergy
Treasure Cruise
12%inclusion9 decks73 decks
1%synergy
Relm's Sketching
12%inclusion3 decks26 decks
8%synergy
Consuming Tide
11%inclusion8 decks73 decks
8%synergy
Fabricate
11%inclusion8 decks73 decks
-11%synergy
Anchor to Reality
11%inclusion8 decks73 decks
10%synergy
Whelming Wave
11%inclusion8 decks73 decks
7%synergy
Enter the Enigma
6.9%inclusion4 decks58 decks
0%synergy
Flood of Tears
6.8%inclusion5 decks73 decks
3%synergy
Devastation Tide
6.8%inclusion5 decks73 decks
4%synergy
Mass Manipulation
6.8%inclusion5 decks73 decks
5%synergy
Lórien Revealed
6.8%inclusion5 decks73 decks
-2%synergy
One with the Machine
5.5%inclusion4 decks73 decks
2%synergy
Coastal Breach
5.5%inclusion4 decks73 decks
5%synergy
Utility Artifacts
Sapphire Medallion
38%inclusion28 decks73 decks
-19%synergy
Sword of the Animist
37%inclusion27 decks73 decks
31%synergy
Crucible of Worlds
36%inclusion26 decks73 decks
35%synergy
Raiders' Karve
32%inclusion23 decks73 decks
31%synergy
Smuggler's Copter
32%inclusion23 decks73 decks
30%synergy
Realmbreaker, the Invasion Tree
30%inclusion22 decks73 decks
29%synergy
Expedition Map
30%inclusion22 decks73 decks
26%synergy
Navigation Orb
29%inclusion21 decks73 decks
28%synergy
Skysovereign, Consul Flagship
27%inclusion20 decks73 decks
26%synergy
The Indomitable
27%inclusion20 decks73 decks
25%synergy
Mobilizer Mech
26%inclusion19 decks73 decks
25%synergy
Imposter Mech
26%inclusion19 decks73 decks
22%synergy
Amulet of Vigor
25%inclusion18 decks73 decks
24%synergy
Subterranean Schooner
25%inclusion18 decks73 decks
24%synergy
Surgehacker Mech
23%inclusion17 decks73 decks
23%synergy
Weatherlight
22%inclusion16 decks73 decks
21%synergy
Nautiloid Ship
22%inclusion16 decks73 decks
21%synergy
Bitterthorn, Nissa's Animus
21%inclusion15 decks73 decks
19%synergy
Sword of Hearth and Home
21%inclusion15 decks73 decks
19%synergy
Explorer's Scope
21%inclusion15 decks73 decks
19%synergy
Swiftfoot Boots
21%inclusion15 decks73 decks
-8%synergy
Thaumatic Compass
21%inclusion15 decks73 decks
20%synergy
Possession Engine
20%inclusion9 decks44 decks
20%synergy
The Regalia
20%inclusion5 decks25 decks
19%synergy
Storm Cauldron
19%inclusion14 decks73 decks
19%synergy
Blackblade Reforged
19%inclusion14 decks73 decks
14%synergy
Silent Submersible
19%inclusion14 decks73 decks
19%synergy
Deluxe Dragster
18%inclusion13 decks73 decks
17%synergy
Seer's Sundial
18%inclusion13 decks73 decks
17%synergy
Reckoner Bankbuster
18%inclusion13 decks73 decks
17%synergy
Unlicensed Hearse
18%inclusion13 decks73 decks
17%synergy
Mindlink Mech
16%inclusion12 decks73 decks
16%synergy
Mechtitan Core
16%inclusion12 decks73 decks
16%synergy
The Lunar Whale
16%inclusion4 decks25 decks
15%synergy
Sword of Forge and Frontier
15%inclusion11 decks73 decks
14%synergy
The Endstone
14%inclusion3 decks21 decks
12%synergy
Conqueror's Galleon
14%inclusion10 decks73 decks
13%synergy
Hulldrifter
14%inclusion6 decks44 decks
13%synergy
Lightning Greaves
12%inclusion9 decks73 decks
-14%synergy
Reaver Titan
11%inclusion8 decks73 decks
10%synergy
Sculpting Steel
11%inclusion8 decks73 decks
4%synergy
Druidic Satchel
11%inclusion8 decks73 decks
11%synergy
Dermotaxi
11%inclusion8 decks73 decks
11%synergy
Horn of Greed
10%inclusion7 decks73 decks
9%synergy
Thunderhawk Gunship
10%inclusion7 decks73 decks
9%synergy
Thopter Fabricator
9.1%inclusion4 decks44 decks
5%synergy
Mighty Servant of Leuk-o
8.2%inclusion6 decks73 decks
8%synergy
Mirage Mirror
8.2%inclusion6 decks73 decks
5%synergy
Bident of Thassa
8.2%inclusion6 decks73 decks
-4%synergy
Heart of Kiran
8.2%inclusion6 decks73 decks
8%synergy
Enchantments
Parallax Tide
30%inclusion22 decks73 decks
30%synergy
Mystic Remora
23%inclusion17 decks73 decks
-4%synergy
Flooded Shoreline
22%inclusion16 decks73 decks
21%synergy
Thopter Spy Network
22%inclusion16 decks73 decks
14%synergy
Propaganda
21%inclusion15 decks73 decks
-9%synergy
Ominous Seas
18%inclusion13 decks73 decks
7%synergy
Teferi's Ageless Insight
15%inclusion11 decks73 decks
-2%synergy
Copy Land
13%inclusion8 decks63 decks
12%synergy
Mana Breach
12%inclusion9 decks73 decks
12%synergy
Imprisoned in the Moon
12%inclusion9 decks73 decks
0%synergy
Wizard Class
12%inclusion9 decks73 decks
-4%synergy
Ior Ruin Expedition
11%inclusion8 decks73 decks
11%synergy
Mechanized Production
10%inclusion7 decks73 decks
3%synergy
Marit Lage's Slumber
10%inclusion7 decks73 decks
9%synergy
Unstoppable Plan
9.3%inclusion4 decks43 decks
2%synergy
Efficient Construction
8.2%inclusion6 decks73 decks
1%synergy
Mirrodin Besieged
8.2%inclusion6 decks73 decks
3%synergy
Overburden
8.2%inclusion6 decks73 decks
7%synergy
Shark Typhoon
8.2%inclusion6 decks73 decks
1%synergy
Artificer Class
8.2%inclusion6 decks73 decks
5%synergy
Amphibian Downpour
7.9%inclusion5 decks63 decks
2%synergy
Proft's Eidetic Memory
7.0%inclusion5 decks71 decks
-1%synergy
Aqueous Form
6.8%inclusion5 decks73 decks
2%synergy
Sword Coast Sailor
6.8%inclusion5 decks73 decks
6%synergy
Candlekeep Sage
6.8%inclusion5 decks73 decks
6%synergy
Intruder Alarm
5.5%inclusion4 decks73 decks
2%synergy
March of the Machines
5.5%inclusion4 decks73 decks
5%synergy
Planeswalkers
Jace, Wielder of Mysteries
8.2%inclusion6 decks73 decks
-7%synergy
Tezzeret, Betrayer of Flesh
6.8%inclusion5 decks73 decks
4%synergy
Ugin, the Spirit Dragon
6.8%inclusion5 decks73 decks
5%synergy
Utility Lands
Reliquary Tower
73%inclusion53 decks73 decks
16%synergy
Mystic Sanctuary
60%inclusion44 decks73 decks
10%synergy
Rogue's Passage
44%inclusion32 decks73 decks
29%synergy
Guildless Commons
38%inclusion28 decks73 decks
37%synergy
Otawara, Soaring City
34%inclusion25 decks73 decks
9%synergy
Coral Atoll
33%inclusion24 decks73 decks
29%synergy
Oboro, Palace in the Clouds
32%inclusion23 decks73 decks
30%synergy
Mech Hangar
25%inclusion18 decks73 decks
24%synergy
Academy Ruins
25%inclusion18 decks73 decks
6%synergy
Arid Archway
25%inclusion16 decks65 decks
23%synergy
Lonely Sandbar
22%inclusion16 decks73 decks
8%synergy
Tolaria West
22%inclusion16 decks73 decks
16%synergy
Ghost Town
21%inclusion15 decks73 decks
20%synergy
Buried Ruin
19%inclusion14 decks73 decks
7%synergy
Seat of the Synod
19%inclusion14 decks73 decks
1%synergy
Field of Ruin
19%inclusion14 decks73 decks
17%synergy
War Room
18%inclusion13 decks73 decks
2%synergy
Urza's Saga
16%inclusion12 decks73 decks
0%synergy
Inventors' Fair
15%inclusion11 decks73 decks
2%synergy
Sunscorched Desert
14%inclusion10 decks73 decks
12%synergy
Reef Roads
14%inclusion6 decks44 decks
13%synergy
Thespian's Stage
12%inclusion9 decks73 decks
10%synergy
Castle Vantress
12%inclusion9 decks73 decks
-7%synergy
Temple of the False God
12%inclusion9 decks73 decks
2%synergy
Dark Depths
11%inclusion8 decks73 decks
10%synergy
Uthros, Titanic Godcore
10%inclusion2 decks21 decks
-1%synergy
Desert of the Mindful
8.2%inclusion6 decks73 decks
5%synergy
Nykthos, Shrine to Nyx
8.2%inclusion6 decks73 decks
-8%synergy
Darksteel Citadel
8.2%inclusion6 decks73 decks
-3%synergy
Remote Isle
8.2%inclusion6 decks73 decks
3%synergy
Archway of Innovation
7.9%inclusion5 decks63 decks
-3%synergy
Sunken Palace
7.9%inclusion5 decks63 decks
4%synergy
Ghost Quarter
6.8%inclusion5 decks73 decks
4%synergy
Maze of Ith
6.8%inclusion5 decks73 decks
2%synergy
Scavenger Grounds
6.8%inclusion5 decks73 decks
0%synergy
Strip Mine
6.8%inclusion5 decks73 decks
4%synergy
Hall of Storm Giants
6.8%inclusion5 decks73 decks
4%synergy
Halimar Depths
6.8%inclusion5 decks73 decks
-3%synergy
Rivendell
5.5%inclusion4 decks73 decks
-6%synergy
Urza's Tower
5.5%inclusion4 decks73 decks
1%synergy
Urza's Mine
5.5%inclusion4 decks73 decks
1%synergy
Tyrite Sanctum
5.5%inclusion4 decks73 decks
4%synergy
Vesuva
5.5%inclusion4 decks73 decks
4%synergy
Urza's Power Plant
5.5%inclusion4 decks73 decks
1%synergy
Mana Artifacts
Sol Ring
70%inclusion51 decks73 decks
-16%synergy
Arcane Signet
41%inclusion30 decks73 decks
-24%synergy
Thought Vessel
36%inclusion26 decks73 decks
-16%synergy
Mind Stone
23%inclusion17 decks73 decks
-13%synergy
Cultivator's Caravan
22%inclusion16 decks73 decks
21%synergy
Cargo Ship
20%inclusion5 decks25 decks
19%synergy
Caged Sun
15%inclusion11 decks73 decks
3%synergy
Extraplanar Lens
10%inclusion7 decks73 decks
2%synergy
Sky Diamond
8.2%inclusion6 decks73 decks
-15%synergy
Decanter of Endless Water
8.2%inclusion6 decks73 decks
-6%synergy
Midnight Clock
6.8%inclusion5 decks73 decks
-14%synergy
Mox Opal
5.5%inclusion4 decks73 decks
-4%synergy
Lands
Island
78%inclusion57 decks73 decks
-15%synergy
Myriad Landscape
71%inclusion52 decks73 decks
45%synergy
Fabled Passage
52%inclusion38 decks73 decks
49%synergy
Evolving Wilds
51%inclusion37 decks73 decks
47%synergy
Terramorphic Expanse
48%inclusion35 decks73 decks
45%synergy
Maestros Theater
45%inclusion33 decks73 decks
45%synergy
Brokers Hideout
40%inclusion29 decks73 decks
39%synergy
Obscura Storefront
40%inclusion29 decks73 decks
39%synergy
Flooded Strand
34%inclusion25 decks73 decks
26%synergy
Misty Rainforest
33%inclusion24 decks73 decks
25%synergy
Bant Panorama
33%inclusion24 decks73 decks
33%synergy
Demolition Field
30%inclusion22 decks73 decks
25%synergy
Scalding Tarn
30%inclusion22 decks73 decks
22%synergy
Polluted Delta
30%inclusion22 decks73 decks
22%synergy
Prismatic Vista
27%inclusion20 decks73 decks
23%synergy
Sea Gate Restoration
26%inclusion19 decks73 decks
11%synergy
Snow-Covered Island
26%inclusion19 decks73 decks
18%synergy
Urza's Cave
23%inclusion15 decks64 decks
19%synergy
Sink into Stupor
21%inclusion13 decks63 decks
-1%synergy
Esper Panorama
21%inclusion15 decks73 decks
20%synergy
Grixis Panorama
19%inclusion14 decks73 decks
19%synergy
Promising Vein
19%inclusion14 decks73 decks
19%synergy
Shire Terrace
18%inclusion13 decks73 decks
17%synergy
Escape Tunnel
15%inclusion11 decks71 decks
15%synergy
Flood Plain
15%inclusion11 decks73 decks
15%synergy
Glasspool Mimic
15%inclusion11 decks73 decks
9%synergy
Horizon of Progress
14%inclusion9 decks63 decks
13%synergy
Warped Landscape
14%inclusion10 decks73 decks
14%synergy
Hydroelectric Specimen
13%inclusion8 decks63 decks
-1%synergy
Vibrant Cityscape
11%inclusion1 decks9 decks
10%synergy
Bad River
11%inclusion8 decks73 decks
11%synergy
Terminal Moraine
10%inclusion7 decks73 decks
10%synergy
Thawing Glaciers
10%inclusion7 decks73 decks
9%synergy
Talon Gates of Madara
10%inclusion6 decks63 decks
6%synergy
Silundi Vision
5.5%inclusion4 decks73 decks
0%synergy