Magnificent Monsters

You can Special Summon this card (from your hand) by sending 1 card from your hand or field to the GY. You can only Special Summon "Diabellstar the Black Witch" once per turn this way. You can only use each of the following effects of "Diabellstar the Black Witch" once per turn. If this card is Normal or Special Summoned: You can Set 1 "Sinful Spoils" Spell/Trap directly from your Deck. During your opponent's turn, if this card is sent from its owner's hand or field to the GY: You can send 1 card from your hand or field to the GY, and if you do, Special Summon this card.

Diabellstar the Black Witch

Add 1 Level 8 or higher "Diabell" monster from your Deck to your hand, or if only your opponent controls a monster, you can Special Summon it instead. If this card is banished: You can make all "Diabell" monsters you currently control gain 500 ATK. You can only use each effect of "Filia Diabell" once per turn.

Filia Diabell

Alliance Insight

If you control 2 or more "Diabell" monsters: Send 1 monster you control to the GY; destroy all face-up cards your opponent controls. If this card is sent to the GY, or banished, from the hand or Deck: You can add 1 "Diabell" Spell/Trap from your Deck to your hand, except "Curse of Diabell". You can only use each effect of "Curse of Diabell" once per turn.

Curse of Diabell

(This card is always treated as a "Sinful Spoils" card.)
You can banish 1 Spell and 1 Trap from your hand and/or GY; Special Summon this card from your hand or GY. (Quick Effect): You can pay half your LP, then target 1 card your opponent controls; destroy it, then if another "Diabell" Monster Card is on the field, you can Special Summon 1 Tuner Synchro Monster (Illusion or Spellcaster) from your Extra Deck. You can only use each effect of "Diabellstar Vengeance" once per turn.

Diabellstar Vengeance

(This card is always treated as a "White Forest" card.)
Monsters you control cannot be destroyed by your opponent's card effects, while you control 2 or more "Diabell" monsters. You can only use each of the following effects of "Diabellze the White Witch" once per turn. You can send 1 Spell/Trap from your hand or field to the GY; Special Summon this card from your hand. If this card is Normal or Special Summoned: You can send 1 "Sinful Spoils" or "Diabell" card from your Deck to the GY.

Diabellze the White Witch

Supreme Darkness

If a Spell/Trap(s) is sent to the GY by a card effect: Set 1 Spell/Trap from your hand or GY, but it cannot be activated this turn. During your Main Phase: You can banish 3 Spells/Traps from your GY, including this card; Special Summon 1 "Diabell" monster from your hand or GY. You can only use each effect of "Like the Diabell" once per turn.

Like the Diabell

If a Spell/Trap(s) is sent to the GY to activate a card or effect: Send 1 Illusion or Spellcaster monster from your hand, Deck, or Extra Deck to the GY. During your Main Phase: You can banish 3 Spells/Traps from your GY, including this card; Special Summon 1 "Diabell" monster from your hand or GY. You can only use each effect of "Play the Diabell" once per turn.