Night Papilloperative

Level 4 DARK/Warrior Xyz Effect
2600 ATK / 2000 DEF

3 Level 4 monsters
Once per turn: You can detach 1 Xyz Material from this card; this card gains 300 ATK for each Xyz Material attached to a monster on the field.

Rulings – Yugipedia

Printings:

Number Hunters: NUMH-EN048 (Super Rare) - 2013-07-12

Prices:

Cardmarket: 0.14 €
TCGplayer: $ 0.16