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Koma, Cosmos Serpent
Oracle Text
This spell can't be countered.
At the beginning of each upkeep, create a 3/3 blue Serpent creature token named Koma's Coil.
Sacrifice another Serpent: Choose one —
• Tap target permanent. Its activated abilities can't be activated this turn.
• Koma gains indestructible until end of turn.
Card Details
Mana CostSet
Character Background
Koma, Cosmos Serpent is a mythic finisher that fits best into a control or midrange-value game plan, where its uncounterable body and relentless upkeep trigger steadily overwhelm the board. In Kaldheim, it feels like a cosmic force that doesn’t simply arrive—it propagates, spawning Koma’s Coils every turn and turning each token into either a shield or a lock piece. Practically, that means you want to protect the first few turns, then land Koma and let the board snowball without needing to overextend. The best deckbuilding tip is to pair it with mana acceleration and token support, especially effects that multiply Serpent tokens or help you recur Koma after removal. Because the sacrifice ability can either tap down a key permanent or make Koma indestructible, it punishes opposing interaction while pressuring planeswalkers, combo pieces, or blockers. It is especially strong in grindy matchups, where repeatable value outclasses one-shot threats.
Generated using gpt-5.4-mini
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Character Background
Koma, Cosmos Serpent is a mythic finisher that fits best into a control or midrange-value game plan, where its uncounterable body and relentless upkeep trigger steadily overwhelm the board. In Kaldheim, it feels like a cosmic force that doesn’t simply arrive—it propagates, spawning Koma’s Coils every turn and turning each token into either a shield or a lock piece. Practically, that means you want to protect the first few turns, then land Koma and let the board snowball without needing to overextend. The best deckbuilding tip is to pair it with mana acceleration and token support, especially effects that multiply Serpent tokens or help you recur Koma after removal. Because the sacrifice ability can either tap down a key permanent or make Koma indestructible, it punishes opposing interaction while pressuring planeswalkers, combo pieces, or blockers. It is especially strong in grindy matchups, where repeatable value outclasses one-shot threats.
Generated using gpt-5.4-mini · Updated at 2026-08-21 21:10:48 UTC