I Think I Found a Cheerleader

When I Think I Found a Cheerleader enters
search your library for a creature with mana value
3 or less, exile it with 2 time counters on it then
shuffle. If it doesn't have suspend, it gains suspend.
Whenever you cast a Cheerleader, creatures you
control get +1/+1 until end of turn. Then you
may clash with an opponent. If you win,
creatures you control get +1/+1 until end of turn