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.
| Printing | Rarity | 1st Edition | Unlimited | Actions |
|---|---|---|---|---|
MP23-EN04925th Anniversary Tin: Dueling Heroes Mega Pack | C | 1st | Unl. | |
BACH-EN091Battle of Chaos | SR | 1st | Unl. |
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