Eternal Galaxy

Normal Trap

If you control a "Photon" or "Galaxy" monster: Target 1 Xyz Monster you control; Special Summon from your Extra Deck, 1 "Photon" or "Galaxy" Xyz Monster that is 4 Ranks higher than that target, by using that target as material. (This is treated as an Xyz Summon. Transfer its materials to the Summoned monster.) You can only activate 1 "Eternal Galaxy" per turn.

Rulings – Yugipedia

Printings:

Cybernetic Horizon Special Edition: CYHO-ENSE3 (Super Rare) - 2018-09-13
Soul Fusion: SOFU-EN069 (Common) - 2018-10-18
2019 Gold Sarcophagus Tin Mega Pack: MP19-EN206 (Common) - 2019-08-29

Prices:

Cardmarket: 0.10 €
TCGplayer: $ 0.10