Heavy Mech Support Platform is a Common Union Effect Monster card from Yu-Gi-Oh! (Machina Mayhem Structure Deck, SDMM). Current market price: $0.05.
Common
Machina Mayhem Structure Deck (SDMM)
Card Text
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. A monster equipped with this card gains 500 ATK/DEF, also if the equipped monster would be destroyed by battle or card effect, destroy this card instead.
