Karesh, the Ruthless

+4: For each player, Karesh, the Ruthless deals 4 damage to that player and 3 damage to target creature that player controls.
-13: For each creature, Karesh, the Ruthless deals 13 damage to that creature and 4 damage to target opponent.
: Karesh, the Ruthless can be your commander. As long as Karesh, the Ruthless is in your command zone, creatures you control get +1/+0.