Counter target spell unless its controller pays . Clash with an opponent. If you win, that spell's controller mills four cards. (Each clashing player reveals the top card of their library, then puts that card on the top or bottom. A player wins if their card had a higher mana value.)

Changeling (This card is every creature type.)

: Until end of turn, creatures you control have base power and toughness X/X and gain all creature types.