Question: what mtg sets have slivers?
Answer: Tempest. Slivers first appeared in Tempest.
Stronghold. Stronghold included another uncommon cycle and the rare Sliver Queen.
Legions. Slivers returned five years later in Legions, the second set of the Onslaught block.
Scourge. ... 
Time Spiral. ... 
Planar Chaos. ... 
Future Sight. ... 
Magic 2014.