Chitterus, Acorn Harvester

When Chitterus, Acorn Harvester enters the battlefield, target opponent creates three Acorn
tokens.
Chitterus, Acorn Harvester is unblockable as
long as defending player controls an Acorn.
Whenever a Squirrel you control deals combat
damage to an opponent, you may destroy target
Acorn token that player controls. If you do,
draw three cards.