Massive Fling Damage RG

You may exile a green card from your hand rather than pay this spell's mana cost. Distribute three +1/+1 counters among one, two, or three target creatures. For each +1/+1 counter you put on a creature this way, remove a +1/+1 counter from that creature at the beginning of the next cleanup step.

Cast this spell only before the combat damage step. Target creature gains trample and gets +X/+0 until end of turn, where X is its power. At the beginning of the next end step, destroy that creature if it attacked this turn.

Whenever you cast a spell, this creature gets +X/+X until end of turn, where X is that spell's mana value.

As an additional cost to cast this spell, sacrifice a creature. Fling deals damage equal to the sacrificed creature's power to any target.