if you check out my pre-con upgrade article, you should be able to get a general idea of the direction that you want to take the deck
Follow the leader: How to build MTG Commander decks Flexibility is an oft-underrated attribute in Magic
P/T Number 3 Language Portugus Legal Formats Commander, Legacy, Vintage Not Legal Formats Alchemy, Brawl, Competitive Brawl, Historic, Modern, Pauper, Pioneer, Standard, Timeless Rulings (7/23/2021) Sefris of the Hidden Ways' first ability looks only at the type the card has in the graveyard, not the type it had in any other zone
Most colors have access to either artifact or enchantment removal
All of this on one card is the definition of pushed, and if youre in any deck except a strict spellslinger deck, theres an argument for running Lethal Scheme