Targh, Meal Maker

Trample, vigilance, reach
Assist (Another player can pay up to {8}{r}{r}{g}{g}{g}{w} of this spell's cost.)
Each other creature you control that's a Beast,
Troll or Griffin gain trample.
If Targh would die, instead put three -1/-1
counters on it and tap it. Targh lose this ability if
it has nine or more -1/-1 counter on it.