by the skin on really big teeth

Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add .

This spell can't be countered. When you cast this spell, take an extra turn after this one. Flying, protection from spells that are one or more colors, annihilator 6 When Emrakul is put into a graveyard from anywhere, its owner shuffles their graveyard into their library.

At the beginning of your upkeep, if you have exactly 1 life, you win the game.