Mankey

Whenever Mankey attacks, search your library for
any number of cards named Mankey, and place
them in the battlefield tapped and attacking.
Shuffle your library afterwards.
Whenever a creature dealt damage by Mankey
dies; you may sacrifice Mankey. If you do, search
your hand and library for a card named Primeape,
and place it in the battlefield. Shuffle your
library afterwards.