Pyukumuku, King of Seas

+5: Exile three target lands. If three Islands were exiled this way, you gain 10 life.
+20: You gain 15 life. All creatures you control get +20/+20, Trample, Indestructible, and Vigilance.
0: If you have 50 life or more, exile everything owned by your opponent in play, including their hand.