Alliance Insight

2 Level 7 Dragon monsters
(Quick Effect): You can send 1 Level 7 "Dragon Ruler" monster from your Deck to the GY and detach 1 material from this card; this effect becomes that sent monster's effect that discards itself to activate. If this card is destroyed by battle, or if this card in its owner's possession is destroyed by an opponent's card effect: You can Special Summon 1 Level 7 "Dragon Ruler" monster from your GY or banishment. You can only use each effect of "Chasma, Dragon Ruler of Auroras" once per turn.

Chasma, Dragon Ruler of Auroras

2 Rank 7 monsters
If this card is Xyz Summoned: You can target up to 4 Level 7 "Dragon Ruler" monsters in your GY and/or banishment; attach them to this card, then you can banish all monsters from your opponent's field and GY with a same Attribute as this card's materials. You can only use this effect of "Disaster, Dragon Ruler of All Apocalypses" once per turn. While this card has LIGHT, DARK, EARTH, WATER, FIRE, and WIND "Dragon Ruler" monsters as material, it gains 4600 ATK/DEF, also it is unaffected by other cards' effects.

Disaster, Dragon Ruler of All Apocalypses

2 Level 7 Dragon monsters
If this card is Xyz Summoned: You can target 1 Level 4 or lower "Dragon Ruler" monster in your GY or banishment; Special Summon 1 Level/Rank 7 "Dragon Ruler" monster that is mentioned on that targeted monster from your Deck or banishment, then shuffle the targeted monster into the Deck. When your opponent activates a Spell/Trap Card or effect (Quick Effect): You can detach 2 materials from this card; negate the activation, and if you do, banish that card. You can only use each effect of "Eclipse, Dragon Ruler of Catastrophes" once per turn.

Eclipse, Dragon Ruler of Catastrophes

You can discard this card and 1 Dragon or DARK monster, then target 2 of your banished "Dragon Ruler" monsters with different Attributes, except "Nebulus, Dragon Ruler of Mishaps"; Special Summon them, but they cannot attack this turn. You can banish from your GY, this card and 1 Dragon or DARK monster, then target 1 "Eclipse, Dragon Ruler of Catastrophes" in your GY; Special Summon it. You can only use 1 "Nebulus, Dragon Ruler of Mishaps" effect per turn, and only once that turn.

Nebulus, Dragon Ruler of Mishaps

You can discard this card and 1 Dragon or LIGHT monster; add 2 "Dragon Ruler" monsters from your Deck to your hand, except "Spectral, Dragon Ruler of Flickers". You can banish from your GY, this card and 1 Dragon or LIGHT monster, then target 1 "Chasma, Dragon Ruler of Auroras" in your GY; Special Summon it. You can only use 1 "Spectral, Dragon Ruler of Flickers" effect per turn, and only once that turn.