Pennywise

When Pennywise enters the battlefield create
three 1/1 red balloon creature tokens with
flying and, When this creature blocks and
is, destroyed blocked creature becomes a red
creature.
You Float Too: Pay {r}{r}{r}: Gain control
of all red creatures until the end of turn.
Untap those creatures. They gain haste.
When Pennywise becomes the target of a
spell of ability, transform Pennywise into It.