whenever an opponent casts a creature spell, if opal acrolith is an enchantment, opal acrolith becomes a 2/4 soldier creature.
0: opal acrolith becomes an enchantment.
whenever an opponent casts a creature spell, if opal acrolith is an enchantment, opal acrolith becomes a 2/4 soldier creature.
0: opal acrolith becomes an enchantment.