Gravekeeper's Assailant [TU02-EN002] Super Rare BW48 you can add 1 "Machina"

you can add 1 "Machina" monster except "Machina Gearframe"

Set: Diamond & Pearl: Mysterious Treasures Type: Metal Rarity: Common Retreat cost: Colorless

by banishing the above cards from field and/or GY

Set: XY: Phantom Forces Type: Psychic Rarity: Promo Retreat cost: Colorless

If your opponent Normal Summons

Gravekeeper's Assailant [TU02-EN002] Super Rare BW48 you can add 1 "Machina"Set: Turbo Pack: Booster Two Card type: Effect Monster Rarity: Super Rare Attack: 1500 Defense: 1500 If "Necrovalley" is on the field when this card declares an attack, you can change the battle position of 1 face up monster your opponent controls.