D/D/D Cursed King Siegfried

1 Tuner + 1 or more non-Tuner "D/D" monsters
During either player's turn: You can target 1 face-up Spell/Trap Card on the field; that target has its effects negated, until the next Standby Phase. You can only use this effect of "D/D/D Cursed King Siegfried" once per turn. If this card is destroyed by battle or card effect and sent to the Graveyard: Gain 1000 LP for each "Dark Contract" card you control.

D/D/D First King Clovis

1 Tuner + 1+ non-Tuner monsters
If this card is Synchro Summoned: You can target 1 of your banished "D/D" monsters, or if a "Dark Contract" card is on the field, you can target 1 in your GY instead; Special Summon it. You can only use this effect of "D/D/D First King Clovis" once per turn. If this card is banished: You can activate this effect; if your "D/D" monster attacks a Defense Position monster this turn, inflict piercing battle damage to your opponent.

D/D/D Gust High King Alexander

1 Tuner + 1+ non-Tuner monsters
If 3 or more "D/D/D" monsters are on the field, this card gains 3000 ATK. If another "D/D" monster(s) is Normal or Special Summoned to your field while this monster is on the field (except during the Damage Step): You can target 1 "D/D" monster in your GY; Special Summon it. You can only use this effect of "D/D/D Gust High King Alexander" once per turn.

D/D/D Gust King Alexander

1 "D/D" Tuner + 1 or more non-Tuner monsters
If another "D/D" monster(s) is Normal or Special Summoned to your field, while you control this face-up card (except during the Damage Step): You can target 1 Level 4 or lower "D/D" monster in your Graveyard; Special Summon it. You can only use this effect of "D/D/D Gust King Alexander" once per turn.

D/D/D Super Doom King Bright Armageddon

[ Pendulum Effect ]
Once per turn, when an opponent's monster declares an attack: You can target 1 "D/D/D" Synchro Monster you control; destroy as many monsters your opponent controls as possible with DEF less than or equal to the targeted monster's ATK, and if you do, inflict 1000 damage to your opponent for each monster destroyed.

1 "D/D" Tuner + 1+ non-Tuner "D/D/D" monsters
Your opponent cannot target monsters you control with card effects. If another monster is Normal or Special Summoned while this monster is on the field (except during the Damage Step): You can make your opponent choose 1 Pendulum Monster they control, and all other monsters they currently control have their effects negated. If this card in the Monster Zone is destroyed: You can place this card in your Pendulum Zone.