mtg black infect cards with Mono 60 Card Deck-Rares-Magic the Gathering-poison-counters Infect Skithiryx, the Blight Dragon |

Sacrifice creatures that make tokens when the die, like Infestation Sage and Nesting Bot, to Bartolome del Presidio or Zahur, Glory's Past, hopefully with a Sephiroth, Fabled SOLDIER and / or Elas il-Kor, Sadistic Pilgrim and Vengeful Bloodwitch on the battlefield to drain the opponent out of the game and gains tons of life

Altar of the Goyf Barrowgoyf Chimney Goyf (playtest) Cosmogoyf Lhurgoyf Necrogoyf Nethergoyf Polygoyf Pyrogoyf Subgoyf (playtest) Tarmogoyf Tarmogoyf Nest Urborg Lhurgoyf

I just wrote an article on how to build a treasure-centric deck as one of the strongest possible Commander archetypes

The token copy will have Copy Catchers's abilities and will be able to create copies of itself

Bruna, Light of Alabaster is a good fit too, as it gives you an additional way to get Auras back from the graveyard