
Whenever you cast a spell that's both blue and red, this creature has base power and toughness 3/3 until end of turn and can't be blocked this turn.
Riverfall Mimic has 1 printing, first in Eventide (2008). EDHREC ranks it #32,068 among Commander cards. It has 4 official rulings.
Cards that show up in the same decks on EDHREC.