Description: If this card is Normal or Special Summoned: You can target 1 face-up monster on the field; that target is treated as a Tuner this turn. You can banish this card from your Graveyard, then target 1 Fiend-Type monster you control; that Fiend-Type monster is treated as a Tuner this turn. You can only use this effect of "Double Resonator" once per turn.
