Gork, Brutal but Kunnin

When Gork leaves the battlefield, add Mork,
Kunnin but Brutal from your library or
graveyard onto the battlefield. If you cannot,
Gork's Power and Toughness becomes
15/15 for the rest of the game.
{1}{t}: Search your library for 1 Ork creature,
reveal it, add it to your hand, and shuffle your
library.