Vengeful Niffin

Flash.
Aspect {u}: When you cast Vengeful Niffin, counter target spell unless its controller pays {1}. (You may apply this effect once for every {u} spent when casting this spell.)
Aspect {r}: When Vengeful Niffin enters the battlefield, it deals 1 damage to target player or planeswalker. (You may apply this effect once for every {r} spent casting this spell.)