For your enjoyment/research, here is this weeks Scryfall search
Lets take a moment to go over all the new Commander decks, whats included in each one, and what themes and commanders you can expect from Duskmourn: House of Horror Commander
Its a 5/5 with five keywords, which grants all your other Spiders the same five keywords during combat on your turn
Restricted Office destroys all creatures with power three or greater when it unlocks, so not as good as a hard board wipe, but more often than not itll deal with any problems you might be facing
Until your next turn, your opponents cant cast spells with the chosen name
It also has some cool interactions with other cards, like Inheritance of the Meek