Resonator Engine [GFTP-EN114] Ultra Rare BT6-052 You can substitute this card

You can substitute this card for any 1 "Synchron" Tuner for a Synchro Summon

Set: Dark Revelation Volume 1 Card type: Continuous Spell Rarity: Common Attack: 0 Defense: 0 Once per turn

You may play 1 Digimon card with a play cost of 4 or less among them without paying its play cost

Set: Premium Gold Card type: Tuner Monster Rarity: Gold Rare Attack: 400 Defense: 200 You can return 1 card from your hand to the top of the Deck to Special Summon this card from the Graveyard

Resonator Engine [GFTP-EN114] Ultra Rare BT6-052 You can substitute this cardSet: Ghosts from the Past Card type: Normal Spell Rarity: Ultra Rare Target 2 "Resonator" monsters in your Graveyard; add 1 Level 4 monster from your Deck to your hand, and if you do, return those targets to the Deck.