Crystalline Nautilus
Enchantment Creature
– Nautilus
4 / 4
(3)
(3)
Bestow 
(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."
(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."
Illus. Brad Rigney
Color Identity: U,Blue
Printings:
Journey into Nyx (Uncommon)
Foreign Names:
Formats:
Legal in Vintage
Legal in Pioneer
Legal in Penny
Legal in Modern
Legal in Legacy
Legal in Duel
Legal in Commander