Metis, Titaness of Cunning

Defender
Metis, Titaness of Cunning enters the battlefield
with a shield counter on it.
Bestow {3}{u}{u}{u} (If you cast this creature for its
bestow cost it is an Aura spell with enchant creature.
It becomes a creature again if it's not attached to a
creature.)
Enchanted creature gets a shield counter and
+1/+2 counter on it.