Mago, Gorilla Messiah

Whenever an Ape or Monkey enters the battlefield under your control search your deck for an Ape or Monkey and put it into your hand then shuffle your deck.
If 2 or more Apes and/or Monkeys are under your control then all creatures under your control gain Vigilance and +1/+1.
If 4 or more Apes and/or Monkeys are under your control then all creatures under your control gain Trample and Haste.