Crystalline Nautilus | 34 | Journey Into Nyx

Set: Journey Into Nyx
Rarity: U
#: 34
Creature Type or Sub Type: Enchantment Creature — Nautilus
P: 4
T: 4
Rules Text Contains: Bestow 3UU (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.)
When Crystalline Nautilus becomes the target of a spell or ability, sacrifice it.
Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it.