Talyuz, the Crimson Scar

Enmity 2 (As this creature enters the battlefield, choose a player. Whenever this creature attacks that player, it gets +2/+2 until end of turn.)
Whenever Talyuz, the Crimson Scar attacks the player it has enmity with, exile the top card of your library. Until the end of your next turn you may play that card. When you do, if that card is a nonland card, you gain life equal to its converted m