Armored Core: Last Raven

Vigilance, Crew 3
Imprint- When this card enters the battlefield,
you may exile a sorcery or instant card
with converted mana cost 3 or
less from your hand or graveyard.
{3},{t} you may copy the exiled card.
If you do, you may cast the copy
without paying its mana cost. This card must be
a creature to activate this effect