Diabolos, King of the Abyss (FOTB-EN061) [Force of the Breaker] "'CMC 8']" When you cast a creature

When you cast a creature spell

If the player doesn't

Set: Legends Type: Creature — Gnome Rarity: Rare Cost: {3}{R} {T}: If target Plains is tapped for mana

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

Let's pull off the chain and take her with us

Diabolos, King of the Abyss (FOTB-EN061) [Force of the Breaker] "'CMC 8']" When you cast a creatureSet: 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.