Dwagy, Da Cookie

Flying, Indestructible
Other Dwagons you control get +X/+X where
X is the number of Dwagons you control.
Whenever a Dwagon enters the battlefield under your control, put a 0/1 cookie creature token onto the battlefield.
Sacrifice a cookie creature token: put a +1/+1 counters on Dwagster, Dwagon of Cookies.