
Whenever you cast a spell, this creature gets +X/+X until end of turn, where X is that spell's mana value.
Manaplasm has 2 printings, first in Shards of Alara (2008). EDHREC ranks it #16,465 among Commander cards. It appears most in Aeve, Progenitor Ooze decks (1,785 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.