Crystalline Nautilus
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.) 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."
Enchantment Creature — Nautilus
standard:
not legal
future:
not legal
historic:
not legal
gladiator:
not legal
pioneer:
legal
explorer:
not legal
modern:
legal
legacy:
legal
pauper:
not legal
vintage:
legal
penny:
legal
commander:
legal
oathbreaker:
legal
brawl:
not legal
historicbrawl:
not legal
alchemy:
not legal
paupercommander:
restricted
duel:
legal
oldschool:
not legal
premodern:
not legal
predh:
not legal
High - Low
