Creature In The Mist

Megaflash (You may cast this card at any time you could cast an instant without paying its mana cost. If you do, it gains haste until end of turn. If this creature was cast in this manner, it deals damage equal to its power to target creature or player. Afterwards, sacrifice it.)
If an opponent notices Creature In The Mist before it leaves the battlefield, return it to your hand. It loses all abilities and has base power and toughness 0/0.