Everlasting Doubts

Bestow {2}{b} (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)
Enchanted creature has -1/-1 and cannot attack or
block and it's activated abilities cannot be
activated.
When Everlasting Doubts become unattached
to a permanent, you may return it to your hand.