Garresk, The Wroth

+2: Garresk deals damage equal to the number of loyalty counters on it to target creature, player, or planeswalker. (Add the counter first.)
-4: Sacrifice a creature: Garresk deals damage to all opponents and creatures equal to half the power of the creature you sacrificed. (Round up)
-6: You gain an Emblem with: "Whenever you sacrifice a creature, you may choose a player. If you do, they exile two permanents instead."