It seems the seven deadly sins set got a popular swing to some because it rewards players to complete a set and be strong to take on floors with out having to craft sets that needs obsidian and mythic affixes.
I got an idea how about another set named after the 7 signs of the apocalypse?
Conquest - Pink and grey affix about movespeed
War - About damage
Famine - resource cost
Death - crit
Martyrs - Hp and mp?
earthquake - elemental damage
angelic trumpheter ( pet ) - All proc because it doomsday.