Black Kyurem (BW58) [Black & White: Black Star Promos] Synchro Effect Monster Set: XY: Black Star Promos

Set: XY: Black Star Promos Type: Metal Rarity: Promo Retreat cost: Colorless

Set: Platinum: Supreme Victors Type: Lightning Rarity: Uncommon Retreat cost: Colorless

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Ultra Rare Attack: 100 Defense: 100 Effect: If this card is in your Graveyard during your Standby Phase and there are no Spell or Trap Cards on your side of the field

Special Summon 1 Level 4 "Mathmech" monster from your hand or GY

Black Kyurem (BW58) [Black & White: Black Star Promos] Synchro Effect Monster Set: XY: Black Star PromosSet: Black & White: Black Star Promos Type: Dragon Rarity: Black Star Promo Retreat cost: Colorless,Colorless