Sorcery speed Village Rites for three makes the black one pretty playable, but the other two I think are less exciting
These combos are not win conditions in an of themselves, but they will distract your opponent and force them to make difficult decisions with their resources while you continue to build your board turn after turn
Additional Support Cards The rest of your Sin, Spiras Punishment deck should be made up of cards that fill a few different roles
Attack of the Vine
Theres been a lot of markers for transitions regarding this game over the years: damage on the stack, the new frame, Arena, COVID, etc
As an uninkable card with a cost of nine, there's an inherent risk in keeping this in-hand, but any deck that's designed to take a beating can quickly increase its viability