Galaxy Photon Dragon

Rank 4 LIGHT/Dragon XYZ Monster
2000 ATK / 0 DEF

2 Level 4 monsters
Other LIGHT monsters you control gain 500 ATK. You can only use each of the following effects of "Galaxy Photon Dragon" once per turn. You can detach 1 material from this card; either add 1 "Photon" or "Galaxy" card from your Deck to your hand, or send it to the GY. If a LIGHT monster(s) is Special Summoned to your field (except during the Damage Step): You can target 1 of those monsters; its Level becomes 4 or 8 until the end of this turn.

Rulings – Yugipedia

Printings:

Photon Hypernova: PHHY-EN044 (Secret Rare) - 2023-02-09
25th Anniversary Tin: Dueling Mirrors: MP24-EN070 (Prismatic Secret Rare) - 2024-09-19

Prices:

Cardmarket: 1.07 €
TCGplayer: $ 1.00