Merry Melffys (MP23-EN135) [25th Anniversary Tin: Dueling Heroes Mega Pack]

1 Tuner + 1+ non-Tuner monsters
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If this card is Special Summoned: You can target 1 face-up monster on the field; return it to the hand. 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 Extra Deck, then, you can Special Summon 1 "Melffy" Xyz Monster from your Extra Deck. You can only use each effect of "Merry Melffys" once per turn.