Resonator Engine

 Dark Resonator and Flare Resonator appear in this card's artwork.

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TCG Rulings

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This card targets the 2 “Resonator” monsters. : Storm of Ragnarok -- Card Rulings (Version 1.0)

Adding 1 Level 4 monster to your hand and returning the targeted monsters to your Deck occur simultaneously.

If only 1 of the target monsters is in your Graveyard when this card resolves, you still return the remaining one to your Deck and add a monster to your hand.

If none of the target monsters remain in your Graveyard when this card resolves, you still add a monster to your hand.

You cannot activate this card if you have no more Level 4 monsters in your Deck.

If you have no Level 4 monsters in your Deck when this card resolves, you don’t return the target monsters to your Deck.