Mal Magog-Kollus and Gol

+2: Destroying or exiling Mal Magog deals 5 damage to him instead. Create an Undead Giant token.
+4: Sacrifice an Undead Giant token and create an undead Giant token.
-20: Create 2 Undead Giant Tokens and turn Mal Magog into legendary Creature Mal Magog-Kollus and Gol