Aatrox, First Mate

-2: Aatrox, First Mate can spend loyalty counters beyond his current loyalty by paying 5 life for each loyalty counter until end of turn.
-2: Deal 2 damage to target creature. If the creature is the only one its owner controls, deal 4 damage instead.
-X: Exile Aatrox, First Mate. Search your library for a card named "Aatrox, World Ender" and put it on the battlefield with X +1/+1 Counters on it.