Riverfall Mimic [Eventide] Nightmare Fish Beast Whenever you discard a card

Whenever you discard a card

tangled in each other's horns

Set: Kaladesh Type: Legendary Artifact — Vehicle Rarity: Mythic Cost: {5} Flying

Set: Rivals of Ixalan Type: Creature — Human Pirate Rarity: Uncommon Cost: {R} As an additional cost to cast this spell

Riverfall Mimic [Eventide] Nightmare Fish Beast Whenever you discard a cardSet: Eventide Type: Creature Shapeshifter Rarity: Common Cost: {1}{U R} 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.