Prometheus, King of the Shadows [FOTB-EN063] Secret Rare 006 Set: Duel Terminal 7 Card

Set: Duel Terminal 7 Card type: Xyz/Effect Monster Rarity: Ultra Rare Attack: 2750 Defense: 1950 3 Level 4 monsters // Once per turn: You can detach 1 Xyz Material from this card to activate 1 of these effects

you can discard any number of cards to place 1 Spell Counter on a monster(s) you control for each card you discarded

Set: Dark Revelation Volume 4 Card type: Effect Monster Rarity: Super Rare Attack: 2100 Defense: 1000 Put 3 counters on this card when you Normal Summon it

Set: Sun & Moon: Celestial Storm Type: Fire Rarity: Promo Retreat cost: Colorless

Set: Neo Revelation Unlimited Type: Colorless Rarity: Holo Rare Retreat cost: Colorless

Prometheus, King of the Shadows [FOTB-EN063] Secret Rare 006 Set: Duel Terminal 7 CardSet: Force of the Breaker Card type: Effect Monster Rarity: Secret Rare Attack: 1200 Defense: 800 When you Normal Summon this card, remove from play any number of DARK monsters in your Graveyard. This card gains 400 ATK for each removed card, until the End Phase of this turn.