Your combo with Mathmech Circular aims to get the trap card Mathmech Superfactorial that will summon Primathmech Laplacian on the opponent's turn, preferably with Mathmech Diameter as material, which will provide the effect of negating an opponent's card effect
What's especially fun is that while each of these abilities are decent in their own right, they're not oppressive either
As for framing, well, Fire Lord Ozai has something to say about that himself: (And in admitted nitpick, it should be noted that WotC also goes with the absolute worst , least helpful citation format I have personally ever seen, choosing to identify each card by its season and total episode number, but only naming the season rather than the episode
There are a lot of ways to be a red deck
Do some mana fixing by copying Urborg, Tomb of Yawgmoth or commander protection by copying Karakas as long as either of them are in a graveyard
I mean, you could just rely on Slimefoots activated ability as the only way to take advantage of its triggered ability, but whats the fun in that