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
Chartooth Cougar 5RCreature — Cat Beast {R}: Chartooth Cougar gets +1/+0 until end of turn. Mountaincycling {2} ({2}, Discard this card: Search your library for a Mountain card, reveal it, put it into your hand, then shuffle.) 4/4
Chaos Harlequin 2RRCreature — Human {R}: Exile the top card of your library. If that card is a land card, Chaos Harlequin gets -4/-0 until end of turn. Otherwise, Chaos Harlequin gets +2/+0 until end of turn. 2/4
Unfortunate Accident BInstant Spree (Choose one or more additional costs.) + {2}{B} — Destroy target creature. + {1} — Create a 1/1 red Mercenary creature token with "{T}: Target creature you control gets +1/+0 until end of turn. Activate only as a sorcery."
Delayed Blast Fireball 1RRInstant Delayed Blast Fireball deals 2 damage to each opponent and each creature they control. If this spell was cast from exile, it deals 5 damage to each opponent and each creature they control instead. Foretell {4}{R}{R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Odric's Outrider 3WCreature — Human Knight Whenever Odric's Outrider or another creature you control dies, put a +1/+1 counter on target creature you control. 2/4
Jolrael, Empress of Beasts 3GGLegendary Creature — Human Spellshaper {2}{G}, {T}, Discard two cards: All lands target player controls become 3/3 creatures until end of turn. They're still lands. 3/3
Righteous Valkyrie 2WCreature — Angel Cleric Flying Whenever another Angel or Cleric enters the battlefield under your control, you gain life equal to that creature's toughness. As long as you have at least 7 life more than your starting life total, creatures you control get +2/+2. 2/4
Wirewood Pride GInstant Target creature gets +X/+X until end of turn, where X is the number of Elves on the battlefield.
War Tax 2UEnchantment {X}{U}: This turn, creatures can't attack unless their controller pays {X} for each attacking creature they control.
A-Skemfar Elderhall Land Skemfar Elderhall enters the battlefield tapped. {T}: Add {G}. {1}{B}{B}{G}, {T}, Sacrifice Skemfar Elderhall: Up to one target creature you don't control gets -2/-2 until end of turn. Create two 1/1 green Elf Warrior creature tokens. Activate only as a sorcery.
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