Suncrusher [Fifth Dawn]

Sunburst (This enters the battlefield with a +1/+1 counter on it for each color of mana spent to cast it.) {4}, {T}, Remove a +1/+1 counter from Suncrusher: Destroy target creature. {2}, Remove a +1/+1 counter from Suncrusher: Return Suncrusher to its owner's hand.