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
Silverflame Ritual 3WSorcery Put a +1/+1 counter on each creature you control. Adamant — If at least three white mana was spent to cast this spell, creatures you control gain vigilance until end of turn.
Gang Up XBInstant Assist (Another player can pay up to {X} of this spell's cost. You choose the value of X.) Destroy target creature with power X or less.
Soulblade Djinn 3UUCreature — Djinn Flying Whenever you cast a noncreature spell, creatures you control get +1/+1 until end of turn. 4/3
Waxing Moon 1GInstant Transform up to one target Werewolf you control. Creatures you control gain trample until end of turn.
Fleshpulper Giant 5RRCreature — Giant When Fleshpulper Giant enters the battlefield, you may destroy target creature with toughness 2 or less. 4/4
Predatory Rampage 3GGSorcery Creatures you control get +3/+3 until end of turn. Each creature your opponents control blocks this turn if able.
Skanos, Black Dragon Vassal 4BGLegendary Creature — Dragon Ranger Menace Whenever Skanos, Black Dragon Vassal attacks, another target attacking creature gains menace and gets +X/+0 until end of turn, where X is Skanos's power. 5/5
Blessing of Belzenlok BInstant Target creature gets +2/+1 until end of turn. If it's legendary, it also gains lifelink until end of turn.
Hackrobat 1BRCreature — Human Rogue Spectacle {B}{R} (You may cast this spell for its spectacle cost rather than its mana cost if an opponent lost life this turn.) {B}: Hackrobat gains deathtouch until end of turn. {R}: Hackrobat gets +2/-2 until end of turn. 2/3
Selfless Samurai 1WCreature — Fox Samurai Whenever a Samurai or Warrior you control attacks alone, it gains lifelink until end of turn. Sacrifice Selfless Samurai: Another target creature you control gains indestructible until end of turn. (Damage and effects that say "destroy" don't destroy it.) 2/2
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