Heavy Mech Support Armor [LCKC-EN023] Ultra Rare BT10-040 You can only use each

You can only use each effect of "Witchcrafter Potterie" once per turn

You can only use this effect of "Phantom Knights' Fog Blade" once per turn

in Defense Position

they have a finish that plays up the art treatment:

Heavy Mech Support Armor [LCKC-EN023] Ultra Rare BT10-040 You can only use eachSet: Legendary Collection Kaiba Card type: Union Effect Monster Rarity: Ultra Rare Attack: 500 Defense: 500 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