The Nekroz Armor of Brionac
This is your In-Archetype tutor and Extra Deck cleaner.
Discard effect: Monster tutor.
Field effect: Spins 2 Extra Deck-summoned monsters.
Always Run 3 copies.

The Nekroz Armor of Clausolas
This is your In-Archetype Ritual Spell searcher.
Discard effect: Ritual Spell searcher.
Field effect: Cripples Extra 1 Deck-summoned monster.
Run 2~3 copies.

The Nekroz Armor of Unicore
This is your walking lockdown and early-game guy.
Discard effect: Monster Reincarnation effect to a Nekroz card in grave.
Field effect: Nullifies the effect of all Extra Deck-summoned monster.
Run 3 copies.

The Nekroz Armor of Catastor
Umm... Yeah.
Discard effect: Monster Reborn effect on a Nekroz. No, you can't summon an Armor.
Field effect: Catastor effect for every Nekroz.
Run 0 copy. Run 1 copy if you feel adventurous.

The Nekroz Armor of Gungnir
This is your walking Raigeki Break.
Discard effect: Protects 1 Nekroz from destruction.
Field effect: Raigeki Break with 2500 ATK.
Run 1~2 copies.

The Nekroz Armor of Valkyrus
This is your pseudo-draw card and Battle Fader.
Discard effect: Battle Fader effect.
Field effect: Tributes monsters to draw cards.
Run 1~3 copies.

The Nekroz Armor of Trishula
The most famous Nekroz monster, which is your power card.
Discard effect: Protects a Nekroz from an effect that targets.
Field effect: Does a Trish wipe when it hits the field, although more restricted.
Run 2 copies.

The Nekroz Armor of... Decisive Armor.
Your powerhouse and Shaddoll eliminator.
Discard effect: 1000 ATK Honest-ish boost.
Field effect: Destroys a face-down, and banishes it.
Run 0~2 copies.

Schritt, Caster of the Nekroz
It acts as a pseudo-Gishki Vision, and its 1800 DEF can be used when you screwed up really, really, realllly badly, though it's difficult to screw-up while using Nekroz.
Run 2~3 copies.

Archmage of the Nekroz (aka Avance)
It searches Spellcaster Nekroz and sets-up the Graveyard.
Run 0~1 copies.

Dance Princess of the Nekroz (aka Emilia)
It ensures the Summon of your Nekroz!
Run 0~2 copies.

Exa, Warrior of the Nekroz
Umm... Yeah.
Run 0 copy. Run 0~1 copy if you run Catastor.

Sephira Exa the Flame Beast Nekroz
It is you urgent summon and non-Ritual beatstick.
Pendulum Effect: lol
Monster Effect: Can be Gorz Summoned if a Nekroz or Sephira you control is destroyed.
Run: To Be Tested.

Sword Saint Nekroz - Sephira Saber
It is your alternate means of Ritual and godly-looking Avance.
Pendulum Effect: I envy the Qlippies for having the good stuff...
Monster Effect: Acts as a walking Ritual Spell that tributes itself.
Run: To Be Tested.

Nekroz Exomirror
Your late-game Ritual and Miracle Ritual for Nekroz.
Run 2~3 copies.

Nekroz Kaleidomirror
Your early-game Ritual and the most fabulous one. It can send a Star Eater to make Gungnir+Unicore!
The most ideal combo is to Tribute Herald of the Arc Light to summon Unuicore~
Run 2~3 copies.

Nekroz Illusion
Ritual Summon from grave? Madness!
Run 1~2 copies.

Manju and Senju
The Ritual Bros. are used to fetch cards and start the engine!
Run 3 copies of Manju.
Run 0~3 copies of Senju.

Herald of the Arc Light
Search after you Summon is always good...
Run with the same amount as Kaleidomirror.

Denkou - Sekka
We barely use Traps, so...
Run 0 copy OR 2~3 copies, either mained or sided.

Preparation of Rites
More searches for a Deck that already have gazillion searches.
Run 2~3 copies.

Outer God Nyarla, Shooting Star Dragon and Shooting Quasar Dragon
There are these certain combos. Solve the puzzle by reading these three cards! (HINT: Arc Light and Brionac may or may not be involved)
Run 1 copy of each if you want, they're purely optional.