Prometheus, King of the Shadows [FOTB-EN063] Secret Rare 006 then inflict 300 damage to

then inflict 300 damage to your opponent for each card sent to the opponent's GY by this effect

Set: Duel Terminal - Preview Rarity: Common When a Spell Card is activated: Discard 1 card

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

Set: EX: Holon Phantoms Type: Item Rarity: Uncommon

Prometheus, King of the Shadows [FOTB-EN063] Secret Rare 006 then inflict 300 damage toSet: 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.