Malia Karlov

Deathtouch, lifelink.
Extort (Whenever you cast a spell, you may pay {w/b}. If you do, each opponent loses 1 life and you gain that much life.)
If at the beginning of your upkeep, you control Malia Karlov, Teysa Karlov, Ignited, Emia Karlov, Crown Seeker and The Karlov Heirloom, you win the game.