Kangee, Aerie Keeper

Kicker {X}{2} (You may pay an additional {X}{2} as you cast this spell.)
Flying
When Kangee, Aerie Keeper enters, if it was kicked, put X feather counters on it.
Other Bird creatures get +1/+1 for each feather counter on Kangee, Aerie Keeper.

The List

Invasion

Kicker o2o
X (You may pay an additional o2o
X as you play this spell.)
Flying
When Kangee, Aerie Keeper comes into play, if you paid the kicker cost, put X feather counters on it.
All Birds get +1/+1 for each feather counter on Kangee, Aerie Keeper.