Mathmech Circular can special summon itself by sending any Mathmech monster from your deck to the graveyard, and if a Mathmech monster is special summoned to your side of the field while its face-up on the field, then you can add any Mathmech spell or trap card to your hand
While this card can be OK, getting a few threats back all at once is worth chucking a load of filler artiffacts away for
The devotion mechanic is really strong in black with payoffs like Gray Merchant of Asphodel and enablers like Phyrexian Obliterator, Ayara, First of Locthwain, and Doomsday Excruciator, just to cite a few
If a spell has multiple types, and one of those types is creature (such as an artifact creature), casting it won't cause prowess to trigger
Incapsula incident ID: 1848000720972557710-412086126304039466
Select how many of this card you want to craft using the diamond icons directly below the card and then select Craft. Its important to note that you cant craft beyond the number of wildcards you have available to you in each rarity, so make sure to choose wisely when deciding on what deck or cards to craft