OracletextBestow 3UU <em>(If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)</em><br>
When Crystalline Nautilus becomes the target of a spell or ability, sacrifice it.<br>
Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it.
