Xyz Unit

Equip Spell

Equip only to a face-up Xyz Monster. It gains ATK equal to its Rank x 200. If the equipped monster you control would detach its Xyz Material to activate its effect: You can detach this card as 1 of the Xyz Materials.

Rulings – Yugipedia

Printings:

Galactic Overlord: GAOV-EN062 (Ultimate Rare) - 2012-05-08
Galactic Overlord: GAOV-EN062 (Ultra Rare) - 2012-05-08
Super Starter: V for Victory: YS13-EN027 (Common) - 2013-06-14
OTS Tournament Pack 13: OP13-EN021 (Common) - 2020-06-15
OTS Tournament Pack 13 (POR): OP13-PT021 (Common) - 2020-06-15

Prices:

Cardmarket: 0.07 €
TCGplayer: $ 0.13