Nótt Eldingarúlfsins

-5: Exile all target artifacts and make 5 1/1 Wolf Tokens with haste, indestructible and menace
+8: Choose one or both -Destroy all opponents mana and/or -Untap all of your tapped mana
-20: Drain everyone for half their life, and give Nótt Eldingarúlfsins lifelink to gain all that life lost