Perfect Machine King [DR3-EN072] Ultra Rare BW004 The most holy treasures are

The most holy treasures are kept far from unclean soil

Fusion Material Monsters that are listed on a Fusion Monster Card that includes "Elemental Hero" in its card name

Set: The Lost Art Promotion Card type: Normal Trap Rarity: Ultra Rare During your opponent's turn: Target 1 face-up monster your opponent controls whose ATK is less than or equal to their LP

Set: EX: Power Keepers Type: Water Rarity: Ultra Rare Retreat cost: Colorless

Set: Black & White: Base Set Type: Darkness Rarity: Holo Rare Retreat cost: Colorless

Perfect Machine King [DR3-EN072] Ultra Rare BW004 The most holy treasures areSet: Dark Revelation Volume 3 Card type: Effect Monster Rarity: Ultra Rare Attack: 2700 Defense: 1500 This card gains 500 ATK for each other Machine Type monster on the field.