Enchant creature
: Untap enchanted creature.
: Enchanted creature gains flying until end of turn.
: Enchanted creature gains shroud until end of turn. (It can't be the target of spells or abilities.)
: Enchanted creature gets +1/-1 or -1/+1 until end of turn.
When this creature enters, you may exile an instant card from your hand.
, : Copy the exiled card. You may cast the copy without paying its mana cost. X is the mana value of the exiled card.