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
Valor Singer 2RCreature — Tiefling Bard Combat Inspiration — At the beginning of combat on your turn, target creature you control gets +1/+0 until end of turn. 2/3
Telethopter 4Artifact Creature — Thopter Tap an untapped creature you control: Telethopter gains flying until end of turn. 3/1
Death's Presence 5GEnchantment Whenever a creature you control dies, put X +1/+1 counters on target creature you control, where X is the power of the creature that died.
Moonglove Changeling 2BCreature — Shapeshifter Changeling (This card is every creature type.) {B}: Moonglove Changeling gains deathtouch until end of turn. (Any amount of damage it deals to a creature is enough to destroy that creature.) 2/2
Battlegrace Angel 3WWCreature — Angel Flying Exalted (Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn.) Whenever a creature you control attacks alone, it gains lifelink until end of turn. 4/4
Corrosive Mentor 2BCreature — Elemental Rogue Black creatures you control have wither. (They deal damage to creatures in the form of -1/-1 counters.) 1/3
Chemister's Trick URInstant Target creature you don't control gets -2/-0 until end of turn and attacks this turn if able. Overload {3}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.")
Finishing Move 2GSorcery You get {TK}{TK}, then you may put a sticker on a nonland permanent you own. Target creature you control deals damage equal to its power to target creature you don't control.
Ambitious Dragonborn 3GCreature — Dragon Barbarian Ambitious Dragonborn enters the battlefield with X +1/+1 counters on it, where X is the greatest power among creatures you control and creature cards in your graveyard. 0/0
Delif's Cone 0Artifact {T}, Sacrifice Delif's Cone: This turn, when target creature you control attacks and isn't blocked, you may gain life equal to its power. If you do, it assigns no combat damage this turn.
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