The Transmigration Prophecy [SDGU-EN037] Common Spell when your opponent activates a

when your opponent activates a monster effect: You can detach 1 Xyz Material from this card

Once per turn (Quick Effect): You can target 1 Set Spell/Trap you control

Set: Legendary Collection 2 Card type: Effect Monster Rarity: Secret Rare Attack: 2300 Defense: 1800 Cannot be Special Summoned

•Once per turn: You can Special Summon 1 Fiend-Type monster from your hand or from either Graveyard

You can only use each effect of "Witchcrafter Potterie" once per turn

The Transmigration Prophecy [SDGU-EN037] Common Spell when your opponent activates aSet: Structure Deck: Gates of the Underworld Card type: Normal Trap Rarity: Common Attack: 0 Defense: 0 Target 2 cards from the Graveyard(s), shuffle those targets into the Deck(s).