Manaplasm
Creature — Ooze
Whenever you cast a spell, this creature gets +X/+X until end of turn, where X is that spell's mana value.1/1
Printings & Conditions (2)
Conspiracy: Take the Crown (CN2)(Conspiracy: Take the Crown)#186
Shards of Alara (ALA)(Shards of Alara)#138Rare