Fili and Kili, Sons of Durin

Trample
Whenever you cast a creature spell with
converted mana cost 4 or greater, put a
+1/+1 counter on Fili and Kili, then Fili
and Kili deals damage equal to the number
of +1/+1 counters on it to each opponent.
"Fili and Kili, at your service!"