Diabolos, King of the Abyss (FOTB-EN061) [Force of the Breaker] "'CMC 8']" you may pay {U}{U}{U}

you may pay {U}{U}{U}

Set: Commander 2014 Type: Creature — Elemental Beast Rarity: Rare Cost: {5}{G} When Grave Sifter enters the battlefield

Then that player discards all cards with that name revealed this way

When you cast a creature spell

Set: Sun & Moon: Forbidden Light Type: Dragon Rarity: Ultra Rare Retreat cost: Colorless

Diabolos, King of the Abyss (FOTB-EN061) [Force of the Breaker] "'CMC 8']" you may pay {U}{U}{U}Set: Force of the Breaker Card type: Effect Monster Rarity: Secret Rare Attack: 2800 Defense: 1000 This card cannot be Special Summoned. If you Tribute Summon this card, the Tributes must be DARK. This card cannot be Tributed by a card's effect. During your opponent's Draw Phase, before their draw, look at the top card of their Deck, then put that card on the top or the bottom of their Deck.