Surprise! You lose!

Noncreature spells you cast cost less to cast. Whenever you cast a noncreature spell, counter that spell unless you sacrifice a creature.

When Phage enters, if you didn't cast it from your hand, you lose the game. Whenever Phage deals combat damage to a creature, destroy that creature. It can't be regenerated. Whenever Phage deals combat damage to a player, that player loses the game.

, : Put target creature on the bottom of its owner's library. That creature's controller reveals cards from the top of their library until they reveal a creature card. The player puts that card onto the battlefield and the rest on the bottom of their library in any order. Activate only as a sorcery.

If a creature would enter the battlefield under an opponent's control this turn, it enters under your control instead.

Whenever a player casts an instant or sorcery spell, each other player copies that spell. Each of those players may choose new targets for their copy.