Dwagonlord Dwagster

Dwagonlord Dwagster enters the battlefield with X +1/+1 cookie counters on
it.
Whenever a Dwagon enters the battlefield, you may put a +1/+1 cookie counter on target Dwagon you control.
If Dwagster is your commander, you may
also have have Dwagy, Queen of Dwagons as your commander.