- Rarity: C
- #: 111
- Creature Type or Sub Type: Creature — Shapeshifter
- P: 2
- T: 1
- Rules Text Contains: Whenever you play a spell that's both blue and red, Riverfall Mimic becomes 3/3 and is unblockable until end of turn.
- Flavor: <em>Mimics don't hide their natural form well, but their disguises work well enough on boggarts.</em>