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
Witch-king, Bringer of Ruin 4BBLegendary Creature — Wraith Noble Flying Whenever Witch-king, Bringer of Ruin attacks, defending player sacrifices a creature with the least power among creatures they control. 5/3
Conifer Strider 3GCreature — Elemental Hexproof (This creature can't be the target of spells or abilities your opponents control.) 5/1
Devoted Paladin 4WCreature — Orc Knight Beacon of Hope — When Devoted Paladin enters the battlefield, creatures you control get +1/+1 and gain vigilance until end of turn. 4/4
Ramosian Rally 3WInstant If you control a Plains, you may tap an untapped creature you control rather than pay this spell's mana cost. Creatures you control get +1/+1 until end of turn.
Living Lore 3UCreature — Avatar As Living Lore enters the battlefield, exile an instant or sorcery card from your graveyard. Living Lore's power and toughness are each equal to the exiled card's mana value. Whenever Living Lore deals combat damage, you may sacrifice it. If you do, you may cast the exiled card without paying its mana cost. */*
Tandem Takedown 1GGInstant Up to two target creatures you control each get +1/+0 until end of turn. They each deal damage equal to their power to another target creature, planeswalker, or battle.
Artificer's Dragon 6Artifact Creature — Dragon Flying {R}: Artifact creatures you control get +1/+0 until end of turn. Unearth {3}{R}{R} ({3}{R}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) 4/4
Valor in Akros 3WEnchantment Whenever a creature enters the battlefield under your control, creatures you control get +1/+1 until end of turn.
Mothdust Changeling UCreature — Shapeshifter Changeling (This card is every creature type.) Tap an untapped creature you control: Mothdust Changeling gains flying until end of turn. 1/1
Catacomb Dragon 4BBCreature — Dragon Flying Whenever Catacomb Dragon becomes blocked by a nonartifact, non-Dragon creature, that creature gets -X/-0 until end of turn, where X is half the creature's power, rounded down. 4/4
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