Goose Island

{t}: Add {u} to your mana pool.
{t}: All birds gain +1/+1 until end of turn.
There was this teal duck and Canada goose,
That 'neath a cloistered massive spruce
Enjoyed a lusty-ful tryst,
Ending up in a quaint twist!
Their offspring sported feathers of chartreuse!
-Robert L. Hinshaw