If youre looking for your first Commander deck, you cant go wrong with one (or two!) of these
Normally the most cost-efficient way to get a lot of packs is to buy a full booster box from your local store
If your opponent has a problematic card in play and you need it gone, even temporarily, you can
Maindeck 3Anoint with Affliction 4Archfiend of the Dross 2Caustic Bronco 1Cut Down 3Darkslick Shores 2Doomsday Excruciator 4Duress 4Faerie Mastermind 2Fountainport 4Gloomlake Verge 4Go for the Throat 2Jace, the Perfected Mind 4Restless Reef 2Shoot the Sheriff 2Spell Stutter 8Swamp 1Undercity Sewers 4Underground River 4Unholy Annex/Ritual Chamber Sideboard 1Anoint with Affliction 2Cut Down 1Deadly Cover-Up 2Dreams of Steel and Oil 1Ghost Vacuum 1Gix's Command 1Jace, the Perfected Mind 2Liliana of the Veil 1Negate 1Outrageous Robbery 1Withering Torment Dimir Demons: How the deck works and was built At the most basic level, Doomsday Excruciator represents a game-ending combo: pair it with a milling effect, usually Jace, the Perfected Mind or Restless Reef , and win the game due to your opponent drawing from an empty library
While Alela, Artful Provocateur is capable of generating a lot of Faerie tokens, it does come with a catch
Clearly the incubate mechanic is supposed to tie together the Phyrexian synergies and artifact theme, but Id look to focus on one or the other