Hostility [Commander 2015]

Set: Commander 2015 Type: Creature — Elemental Incarnation Rarity: Rare Cost: {3}{R}{R}{R} HasteIf a spell you control would deal damage to an opponent, prevent that damage. Create a 3/1 red Elemental Shaman creature token with haste for each 1 damage prevented this way.When Hostility is put into a graveyard from anywhere, shuffle it into its owner's library.