Name:Crystalline Nautilus
ManaCost:2 U
Types:Enchantment Creature Nautilus
PT:4/4
K:Bestow:3 U U
T:Mode$ BecomesTarget | ValidTarget$ Card.Self | TriggerZones$ Battlefield | Execute$ CrystallineNautilusSac | TriggerDescription$ When CARDNAME becomes the target of a spell or ability, sacrifice it.
SVar:CrystallineNautilusSac:AB$ Sacrifice | Cost$ 0 | SacValid$ Self
SVar:Targeting:Dies
S:Mode$ Continuous | Affected$ Creature.EnchantedBy | AddPower$ 4 | AddToughness$ 4 | AddTrigger$ SpellTarget | AddSVar$ CrystallineNautilusSac & CrystallineNautilusTarget | Description$ Enchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it."
SVar:SpellTarget:Mode$ BecomesTarget | ValidTarget$ Card.Self | TriggerZones$ Battlefield | Execute$ CrystallineNautilusSac | TriggerDescription$ When CARDNAME becomes the target of a spell or ability, sacrifice it.
SVar:CrystallineNautilusTarget:Targeting:Dies
SVar:Picture:http://www.wizards.com/global/images/magic/general/crystalline_nautilus.jpg
Oracle:Bestow {3}{U}{U} (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.)\nWhen Crystalline Nautilus becomes the target of a spell or ability, sacrifice it.\nEnchanted creature gets +4/+4 and has "When this creature becomes the target of a spell or ability, sacrifice it."