The Fitchs, Kings Of The Apes

{t}: Each player creates a colourless artifact token
named Banana with "{t}, Sacrifice this artifact: Add {r} or {g}. You gain 2 life."

Whenever an artifact an opponent controls is put
into a graveyard from the battlefield, put a +1/+1
counter on each creature you control that's an Ape
or a Monkey.
Whenever Kibo attacks, defending player sacrifices
an artifact.