Materiactor Gigaboros

Level 3 DARK/Dragon Xyz Effect
500 ATK / 500 DEF

2+ Level 3 monsters
Gains 500 ATK/DEF for each card in your hand. You can only use each of the following effects of "Materiactor Gigaboros" once per turn. You can detach 1 material from this card; attach 1 "Materiactor" monster from your Deck to this card as material. During your opponent's Main or Battle Phase (Quick Effect): You can add 1 card attached to this card to the hand.

Rulings – Yugipedia

Printings:

Blazing Vortex: BLVO-EN084 (Super Rare) - 2021-02-04
2022 Tin of the Pharaoh's Gods: MP22-EN047 (Common) - 2022-09-14

Prices:

Cardmarket: 0.07 €
TCGplayer: $ 0.11