Galaxy-Eyes Tachyon Primal

Level 8 LIGHT/Dragon Effect Monster
3000 ATK / 2500 DEF

If a Dragon Xyz Monster declares an attack: Attach this card on the field to it as material. You can only use each of the following effects of "Galaxy-Eyes Tachyon Primal" once per turn. If a Dragon Xyz Monster is on the field (Quick Effect): You can Special Summon this card from your hand to either field. If this card is Normal or Special Summoned: The owner of this card adds 1 "Tachyon" Spell/Trap from their Deck to their hand.

Rulings – Yugipedia

Printings:

Maze of the Master: MZTM-EN011 (Collector's Rare)
Maze of the Master: MZTM-EN011 (Secret Rare)

Prices:

Cardmarket: 4.19 €
TCGplayer: $ 3.62