Shàngó, God of War

+1: Create an Axe of Fire token. (It's a red artifact with:"Tap to sacrifice this artifact. Target creature gains -0/-1 until end of turn.")
+1: Create an Axe of Lightning token. (It's a red artifact with:"Tap to sacrifice this artifact. Target creature gains -1/-0 until end of turn.")
-8: Deal X damage to target player, where X is the difference between your and target players total life.