Become Anonymous [ACR - 14] Modern Horizons 3 you may pay 0 rather

you may pay 0 rather than pay the mana cost for a spell you cast with converted mana cost X or less

Permanent spells you cast that have an Adventure cost 1 less to cast

Otto Octavius

Rules Text Contains: Counter target artifact or enchantment spell

T: Create a 2/2 green Bear creature token

Become Anonymous [ACR - 14] Modern Horizons 3 you may pay 0 ratherRarity: U #: 14 Creature Type or Sub Type: Instant Rules Text Contains: Exile target nontoken creature you own and the top two cards of your library in a face down pile, shuffle that pile, then cloak those cards. They enter the battlefield tapped. (To cloak a card, put it onto the battlefield face down as a 2 2 creature with ward 2. Turn it face up any time for its mana cost if it's a creature card.)