Koma, Jörmungandr's Cousin by R0undtable

Format: Commander

Commander: Koma, World-Eater

Bracket: 4

DeckCheck Threat Index: 35

Deck overview

This deck is a high-powered Simic stompy and token-doubling engine led by Koma, World-Eater. The game plan revolves around deploying dense early mana ramp to cast Koma ahead of curve on Turn 4, attacking on Turn 5 to generate four 3/3 Serpent tokens per combat hit. The deck amplifies this swarm through token doublers like Parallel Lives and Doubling Season, non-legendary clone effects like Spark Double and Irenicus's Vile Duplication, and trigger doublers like Roaming Throne. Once established, the expanding army of Serpents overwhelms opponents through raw combat stats, bolstered by evasion from Serpent of Yawning Depths, one-sided tapping via Junk Winder, or a decisive overrun with Craterhoof Behemoth. The deck protects its substantial board state using high-efficiency counterspells and full-board shielding such as Heroic Intervention. While highly resilient against single-target interaction due to Koma's built-in Ward {4} and uncounterability, it remains vulnerable to early board sweepers and mana disruptions.

Decklist (100 cards)

  • 1 Adrix and Nev, Twincasters
  • 1 Aesi, Tyrant of Gyre Strait
  • 1 Arcane Denial
  • 1 Arcane Lighthouse
  • 1 Arcane Signet
  • 1 Arixmethes, Slumbering Isle
  • 1 Birds of Paradise
  • 1 Boseiju, Who Endures
  • 1 Brainstorm
  • 1 Breeding Pool
  • 1 Collective Resistance
  • 1 Command Tower
  • 1 Counterspell
  • 1 Craterhoof Behemoth
  • 1 Cultivate
  • 1 Cyclonic Rift
  • 1 Doubling Season
  • 1 Dreamroot Cascade
  • 1 Elemental Bond
  • 1 Elvish Mystic
  • 1 Enduring Curiosity
  • 1 Fanatic of Rhonas
  • 1 Fierce Guardianship
  • 1 Fireshrieker
  • 8 Forest
  • 1 Growth Spiral
  • 1 Gwenna, Eyes of Gaea
  • 1 Hedge Maze
  • 1 Helm of the Host
  • 1 Heroic Intervention
  • 1 Hinterland Harbor
  • 1 Hullbreaker Horror
  • 1 Irenicus's Vile Duplication
  • 10 Island
  • 1 Junk Winder
  • 1 Kindred Discovery
  • 1 Kinnan, Bonder Prodigy
  • 1 Kiora, the Rising Tide
  • 1 Kodama's Reach
  • 1 Koma, Cosmos Serpent
  • 1 Koma, World-Eater
  • 1 Llanowar Elves
  • 1 Mana Drain
  • 1 Maraleaf Pixie
  • 1 Maze of Ith
  • 1 Misty Rainforest
  • 1 Murkfiend Liege
  • 1 Natural Order
  • 1 Nature's Lore
  • 1 Negate
  • 1 Opt
  • 1 Parallel Lives
  • 1 Preordain
  • 1 Propaganda
  • 1 Quandrix Charm
  • 1 Rain-Slicked Copse
  • 1 Rampant Growth
  • 1 Rejuvenating Springs
  • 1 Reliquary Tower
  • 1 Rhystic Study
  • 1 Roaming Throne
  • 1 Rogue's Passage
  • 1 Sakashima of a Thousand Faces
  • 1 Sakashima the Impostor
  • 1 Sakura-Tribe Elder
  • 1 Sapphire Medallion
  • 1 Serpent of Yawning Depths
  • 1 Skyshroud Claim
  • 1 Sodden Verdure
  • 1 Sol Ring
  • 1 Spark Double
  • 1 Spell Pierce
  • 1 Spell Snare
  • 1 Tale's End
  • 1 Talisman of Curiosity
  • 1 Tangled Islet
  • 1 Terrain Generator
  • 1 Three Visits
  • 1 Troyan, Gutsy Explorer
  • 1 Turbulent Wilderness
  • 1 Vineglimmer Snarl
  • 1 Whelming Wave
  • 1 Willowrush Verge
  • 1 Yavimaya Coast