Aatrox, the Darkin Blade

Whenever another creature dies, you may put a
+1/+1 counter on Aatrox. Remove a +1/+1
counter from Aatrox: Aatrox deals 8 damage to
any target.
Hellbent — As long as you have no cards in hand, Aatrox gets +3/+3 and has flying and menace.
"I shall not kiss the ground, nor let myself be wielded
as a tool! I am damned, but I will remake this world
in my dark image!"