Magistus

Skeleton for a mostly pure Magistus build including the newest support, and an amount of non-engine to assist going second.

The deck has the capacity to swarm the board with spellcasters and turn them into a vavriety of extra deck tools, with Spoon being a 1-card combo:
Discard Spoon to fetch Zoroa, normal summon Zoroa and equip Artemis on himself, trigger and special summon Spoon from GY. Artemis eff search new Crowley then effect to special summon self, then fuse with Spoon for Mechaba to insulate the rest of the plays. Spoon GY effect to attach something to Zoroa, send Artemis and Spoon's equip to GY to special summon Chorozo, overlay Chorozo & Zoroa for a R4NK xyz. In this build, usually big Rilliona to detach Zoroa and special summon smol Rilliona, searching (a) Magistus Invocation to fusion summon Aiwass, or (b) Vritra to special summon Zoroa from the GY and synchro into big Zoroa to lock at least 2 card types with his own equip effect and Rilliona's from the GY.
Alternatively, instead of going for Chorozo, the equips can be sent for Doomed Dragon for removal and to be able to synchro into Vengeance Dragon for more aggro and interruption.

Shadow's Light is the fun tech, mostly useful for going 1st since it locks out of the battle phase, but can both fetch a Rilliona from the deck by targeting a Crowley and provide an additional summon for a dark or light.

Magistus can itself become smaller and play well with a lot of other engines, including Witchcrafter and Cartesia, Endymion, Invoked ritual pile, Allure Queens, Azamina & Sinful Spoils, Spellbooks, White Forest and the (at time of writing) newest Dracotails. 

Build prob needs further testing.