Heavy Mech Support Armor is a Common Union Effect Monster card from Yu-Gi-Oh! (Structure Deck: Seto Kaiba, SDKS). Current market price: $0.10.
Common
Structure Deck: Seto Kaiba (SDKS)
Card Text
If this card is Normal Summoned: You can target 1 Union monster in your GY; Special Summon it. 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. Your opponent cannot target a monster equipped with this card with card effects, also if the equipped monster would be destroyed by battle or card effect, destroy this card instead.
