Machina Gearframe

Level 4 EARTH/Machine Union Effect
1800 ATK / 0 DEF

When this card is Normal Summoned: You can add 1 "Machina" monster from your Deck to your hand, except "Machina Gearframe". Once per turn, you can either: Target 1 Machine monster you control; equip this card to that target, OR: Unequip this card and Special Summon it. If the equipped monster would be destroyed by battle or card effect, destroy this card instead.

Rulings – Yugipedia

Printings:

Machina Mayhem Structure Deck: SDMM-EN002 (Super Rare) - 2010-02-19
Structure Deck: Mechanized Madness: SR10-EN005 (Common) - 2020-04-16
Speed Duel: Battle City Box: SBCB-EN071 (Common) - 2020-11-26
Quarter Century Bonanza: RA03-EN234 (Platinum Secret Rare) - 2024-11-07
Quarter Century Bonanza: RA03-EN234 (Quarter Century Secret Rare) - 2024-11-07

Prices:

Cardmarket: 1.33 €
TCGplayer: $ 1.81