Tim, Sunburnt Fool

Sunburst (This enters the battlefield with a +1/+1
counter for each color of mana spent to cast it)
When Tim, Sunburnt Fool is dealt damage, it
deals damage equal to its power to target creature
an opponent controls
Apply Sunscreen - Remove a +1/+1 counter from
Tim, Sunburnt Fool: Creatures you control get
+1/+1 until end of turn