Phage

+1: When Phage dies, you lose the game. Target opponent gains control of Phage at beginning of your next endstep, draw 3 cards.
-2: If a creature deals damage to you or a planeswalker you control until your next turn that creature controller loses the game.
-7: You get an emblem with "Whenever a creature you control deals combat damage to a player, that player loses the game."