Space Marine Devastator [Warhammer 40,000]

Set: Warhammer 40,000 Type: Creature — Astartes Warrior Rarity: Rare Cost: {3}{W} Squad {2} (As an additional cost to cast this spell, you may pay {2} any number of times. When this creature enters the battlefield, create that many tokens that are copies of it.)Grav-cannon — When Space Marine Devastator enters the battlefield, destroy up to one target artifact or enchantment.