If your opponent controls a face-up monster(s) that was Special Summoned from the Extra Deck and you do not, while this card is in your hand or Graveyard: You can Special Summon this card, but banish it when it leaves the field. You can only use this effect of "Mirror Resonator" once per turn. Once per turn: You can target 1 face-up monster your opponent controls; treat this card's Level as that monster's original Level if this card is used for a Synchro Summon this turn.
![Mirror Resonator [DPDG-EN023] Common | Shuffle n Cut Hobbies & Games](http://www.shuffleandcutgames.co.nz/cdn/shop/products/131763_200w.jpg?v=1615990356)
