Servoing up a Combo (PDH) (EDH / Commander)

Pauper EDH is an alternative format that uses any uncommon creature as the commander and the 99 are commons.

This is a mono-black combo deck helmed by Sly Requisitioner.

The deck has one engine; Myr Retriever and Workshop Assistant and sacrifices them in a few different ways:

Ashnod's Altar generates 2 colourless per sacrifice, so you need 1 more mana to go infinite with the engine, Sly makes servos per sac, Foundry Inspector reduces their cost, Golem Foundry makes golems to sac and Dross Scorpion can untap a mana rock.

Once infinite, you can otk with any damage dealer: Disciple of the Vault, Cabal Paladin, Falkenrath Noble or Basilica Screecher / Syndicate Enforcer (but they require mana filtering through Dross Scorpion / Bog Initiate / Signpost Scarecrow)

Alternatively Priest of Yawgmoth and Soldevi Adnate can sacrifice artifacts however to untap them you need to make either of them an artifact with Ashnod's Transmogrant and untap them with Dross Scorpion. They're a fringe win scenario but can sac cantrip artifacts for ramp anyways.

Tortured Existence can replace Workshop Assistant if you have a mana filter in play.

We run a fair bit of cantrip artifacts to help cast our commander due to improvise and can later sac them for servo tokens, they also synergize with Golem Foundry.

We run a lot of removal & some card advantage spells like Read the Bones, Succumb to Temptation and Syphon Mind.

Whispersilk Cloak keeps a piece of the combos protected, Unearth can bring a combo piece to the board and Fortuitous Find can also recur combo pieces or cantrip artifacts & a creature, Forever Young & Wander in Death recurs pieces or cantrips.

Cuombajj Witches is a nice pinger & with some persuasion can kill 2 toughness creatures. Twisted Abomination is a good body or can cycle if you don't need it.

Shred Memory tutors for Myr Retriever or a lot of other combo pieces. Dimir House Guard tutors for a lot of combo pieces as well.

Seal of Doom can be played whenever & acts as 'uncounterable' removal but more importantly can be a good deterrent from being attacked. Bojuka Bog, Relic of Progenitus and Nihil Spellbomb are our graveyard destruction and they're all fine on their own.

Weaknesses of the deck are the many moving pieces, the combos are easy to disrupt and instant graveyard destruction shuts us down considerably. We have a lot of removal but our board presence is fairly weak.

If you have any questions or suggestions, I'd love to hear it.