Bakuun, Bigger Pig

Haste, trample
When Bakuun, Bigger Pig leaves the battlefield, you may search your library for a card named "Hakuun, Biggest Pig", reveal it and put it into your hand. Then shuffle your library.
I am Bakuun, the bigger pig. If you beat me, I shall call for my brother Hakuun, who is even bigger than me."