Roar of the Ferocious

Trample, Haste
Morph {g}{u}{r} (You may cast this face down as a
2/2 creature for {3}. Turn it face up any time for its
morph cost.)
Formidable — Whenever Roar of the Ferocious attacks, if creatures you control have total power
8 or greater, creatures you control get +2/+0 and trample until end of turn.