Kirby, Star Ally

When Kirby, Star Ally enters the battlefield,
exile target creature until Kirby, Star Ally
leaves the battlefield.
As long as that creature remains exiled, Kirby,
Star Ally gets +X/+0, where X is the exiled
creature's power and gains all types of the exiled
creature in addition to its own.
{2}{w}{w}: Return Kirby, Star Ally to its
owner's hand.