Gravekeeper's Spy [CP03-EN003] Super Rare Spirit Monster when a monster effect activates:

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

Set: Battles of Legend: Light's Revenge Card type: Effect Monster Rarity: Secret Rare Attack: 0 Defense: 1000 When an opponent's monster declares a direct attack: You can Special Summon this card from your hand

except "Lunalight Emerald Bird"

Set: Dark Revelation Volume 2 Card type: Normal Spell Rarity: Rare Attack: 0 Defense: 0 If you activate this card

Set: Judgment of the Light Card type: Synchro/Effect Monster Rarity: Secret Rare Attack: 3200 Defense: 2800 1 Tuner + 1 or more non-Tuner monsters Must be Synchro Summoned

Gravekeeper's Spy [CP03-EN003] Super Rare Spirit Monster when a monster effect activates:Set: Champion Pack 3 Card type: Effect Monster Rarity: Super Rare Attack: 1200 Defense: 2000 FLIP: Special Summon 1 "Gravekeeper's" monster with 1500 or less ATK from you Deck.