Card Codex

M:tG card similarity search

17 May 2024: Card library updated.

Biomass Mutation

XG/UG/U · Instant

Creatures you control have base power and toughness X/X until end of turn.

Similar cards

Color identity:
NameManaTypeText
Cultivator Colossus 4GGGCreature — Plant Beast Trample Cultivator Colossus's power and toughness are each equal to the number of lands you control. When Cultivator Colossus enters the battlefield, you may put a land card from your hand onto the battlefield tapped. If you do, draw a card and repeat this process. */*
Korlash, Heir to Blackblade 2BBLegendary Creature — Zombie Warrior Korlash, Heir to Blackblade's power and toughness are each equal to the number of Swamps you control. {1}{B}: Regenerate Korlash. Grandeur — Discard another card named Korlash, Heir to Blackblade: Search your library for up to two Swamp cards, put them onto the battlefield tapped, then shuffle. */*
Tezzeret the Schemer 2UBLegendary Planeswalker — Tezzeret [+1]: Create a colorless artifact token named Etherium Cell with "{T}, Sacrifice this artifact: Add one mana of any color." [−2]: Target creature gets +X/-X until end of turn, where X is the number of artifacts you control. [−7]: You get an emblem with "At the beginning of combat on your turn, target artifact you control becomes an artifact creature with base power and toughness 5/5." Loyalty 5
Wintermoor Commander WBCreature — Human Knight Deathtouch Wintermoor Commander's toughness is equal to the number of Knights you control. Whenever Wintermoor Commander attacks, another target Knight you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 2/*
Spare from Evil 1WInstant Creatures you control gain protection from non-Human creatures until end of turn.
Tuya Bearclaw 1RGLegendary Creature — Human Warrior Whenever Tuya Bearclaw attacks, it gets +X/+X until end of turn, where X is the greatest power among other creatures you control. 2/2
Altar Golem 7Artifact Creature — Golem Trample Altar Golem's power and toughness are each equal to the number of creatures on the battlefield. Altar Golem doesn't untap during your untap step. Tap five untapped creatures you control: Untap Altar Golem. */*
Rootborn Defenses 2WInstant Populate. Creatures you control gain indestructible until end of turn. (To populate, create a token that's a copy of a creature token you control.)
Final Showdown WInstant Spree (Choose one or more additional costs.) + {1} — All creatures lose all abilities until end of turn. + {1} — Choose a creature you control. It gains indestructible until end of turn. + {3}{W}{W} — Destroy all creatures.
Behind the Scenes 2BEnchantment Creatures you control have skulk. (They can't be blocked by creatures with greater power.) {4}{W}: Creatures you control get +1/+1 until end of turn.
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