Set: 25th Anniversary Tin: Dueling Heroes Mega Pack
Number: MP23-EN049
Rarity: Common
Attribute: TRAP
Card Type: Normal Trap
Description: When your opponent activates a card or effect: Target 1 "Libromancer" Ritual Monster you control; return it to the hand, and if you do, negate that activated effect, then you can Special Summon 1 "Libromancer" monster from your hand or GY. You can only activate 1 "Libromancer Intervention" per turn.
Number: MP23-EN049
Rarity: Common
Attribute: TRAP
Card Type: Normal Trap
Description: When your opponent activates a card or effect: Target 1 "Libromancer" Ritual Monster you control; return it to the hand, and if you do, negate that activated effect, then you can Special Summon 1 "Libromancer" monster from your hand or GY. You can only activate 1 "Libromancer Intervention" per turn.