Melffy Fenny (ROTD-EN017) [Rise of the Duelist]

If your opponent Normal or Special Summons a monster(s) (except during the Damage Step), or if an opponent's monster targets this card for an attack: You can return this card to the hand, then you can Special Summon 1 Beast monster from your hand, except "Melffy Fenny". During your End Phase: You can Special Summon this card from your hand. You can only use each effect of "Melffy Fenny" once per turn.