Outworld Champion

Shao Khan's Adversary:
When Outworld Champion enters the battlefield, destroy all attacking/blocking creatures under your opponent's control.
Yautja Prime:
Other Yautja under your control gain +1/+1 at the beginning of each players upkeep.
Additional creature type: Planeswalker
When you play a Mortal Kombat creature, Outworld Champion transforms to a Planeswalker.

"Shao Khan's army was struck down, one by one."