Oilman

Level 2 EARTH/Machine Union Effect Monster
400 ATK / 400 DEF

Once per turn, you can either: Target 1 Machine-Type monster you control; equip this card to that target, OR: Unequip this card and Special Summon it in Attack Position. While equipped by this effect, if the equipped monster destroys an opponent's monster by battle: Draw 1 card. (A monster can only be equipped with 1 Union monster at a time. If the equipped monster would be destroyed, destroy this card instead.)

Rulings – Yugipedia

Printings:

Absolute Powerforce: ABPF-EN036 (Common) - 2010-02-12
Geargia Rampage Structure Deck: SDGR-EN018 (Common) - 2014-10-16

Prices:

Cardmarket: 0.08 €
TCGplayer: $ 0.11