|Types||Machine / Union / Effect|
|ATK / DEF||2100 / 1000|
Once per turn , you can either: Target 1 face-up 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. While this card is equipped to a monster: You can banish this Equip Card ; equip 1 Level 4 or lower appropriate Union monster from your Deckto the monster this card was equipped to. You can only use this effect of "Union Driver" once per turn .