Riverfall Mimic{1}{U/R}
Creature — Shapeshifter
Whenever you cast a spell that's both blue and red, Riverfall Mimic has base power and toughness 3/3 until end of turn and can't be blocked this turn.
Mimics don't hide their natural form well, but their disguises work well enough on boggarts.
2/1
Artist: Franz Vohwinkel