Basic Slivers

Rathi Sliver: the slivers that were brought to the artificial plane of Rath by Volrath from an unkown plane. They were wiped out (well mostly wiped out: see Shadow Sliver) when Rath was overlain on Dominaria during the Phyrexian Invasion.
Riptide Project Sliver: Created from the remains of the Rathi slivers by the Cephalids of Otaria. Bring the Slivers back from extinction was widely seen as a bad idea and the Riptide project was overrun. this design only appears on the Legions promo token. Brood Sliver, Uncontrolled Infestation and Sliver Overlord.
Common sliver: most common design of slivers from Legions and the Time spiral Bock.
Zontoni Sliver: The slivers with art by Luca Zontoni typify the archetypical sliver to me so I made one based purely on those four slivers.
Shieldhead Sliver: This was mostly based on the slivers from Modern Horizons plus Root sliver and Ward sliver from Legions
Skep Sliver: these are the slivers of Shandalar. Based on the slivers of M14 and M15 espe