Feast of Acorns

Buyback - {2}{g}, Tap three untapped Squirrels
you control. (You may pay {2}{g} and tap three untapped Squirrels you control in addition to any other costs as you cast this spell. If you do, put this card into your hand as it resolves.)
Put a +1/+1 counter on each creature you control.
"We must do this again sometime."