26 cards where the color identity ≤ R and (the text includes “sliver” or the card types include “sliver”)

Barbed Sliver (Tempest Remastered #126)
Battering Sliver (Time Spiral Remastered #154)
Battle Sliver (Magic 2014 #128)
Belligerent Sliver (Magic 2015 #129)
Bladeback Sliver (Modern Horizons #119)
Blade Sliver (Commander Masters #871)
Blur Sliver (Commander Masters #873)
Bonesplitter Sliver (Commander Masters #874)
Capricious Sliver (Commander Masters #734)
Cleaving Sliver (Commander Masters #877)
Fury Sliver (Time Spiral Remastered #164)
Heart Sliver (Tempest #182)
Hivestone (Time Spiral Remastered #268)
Hollowhead Sliver (Commander Masters #878)
Homing Sliver (Time Spiral Remastered #171)
Hunter Sliver (Legions #102)
Magma Sliver (Legions #107)
Metallic Sliver (Tempest Remastered #226)
Sliver Construct (Magic 2014 #218)
Sliver Hive (Magic 2015 #247)
Sliversmith (Time Spiral Remastered #273)
Spiteful Sliver (Commander Masters #881)
Striking Sliver (Commander Masters #882)
Thorncaster Sliver (Magic 2014 #158)
Two-Headed Sliver (Commander Masters #883)
Venser's Sliver (Time Spiral #267)

The arc of my blade has carved a path of light to the end of these results.