Card Rules: No Rulings available for this card. Passcode: 64500000 Set: Duelist Pack: Kaiba ATK/DEF: 1500/1300 Card Number: DPKB-EN012 Monster Type: Machine Rarity: Common Attribute: Light Card Text: Once per turn , during your Main Phase if you control this card on the field you can equip it to your "X-Head Cannon" or "Y-Dragon Head" as an Equip Card OR unequip the Union equipment and Special Summon this card in face-up Attack Position. While equipped to a monster by this card's effect increase the ATK/DEF of the equipped monster by 600 points. (1 monster can only be equipped with 1 Union Monster at a time. If the equipped monster is destroyed as a result of battle destroy this card instead.). Level: 4 Card Type: Union Monster Name: Z-Metal Tank Edition: Unlimited