Opal Acrolith Tweet Brand New, 6 In stock $0.43 Details Artist: Robh Ruppel Card Number: 22/335 Card Text: Whenever an opponent plays a creature spell, if Opal Acrolith is an enchantment, Opal Acrolith becomes a 2/4 Guardian creature. 0 Opal Acrolith becomes an enchantment. Card Type: Enchantment Color: White Cost: 2W Finish: Regular Name: Opal Acrolith Rarity: U Set Name: Urza's Saga