
All Sliver creatures get +0/+2.
Watcher Sliver has 2 printings, first in Time Spiral (2006). EDHREC ranks it #18,170 among Commander cards. It appears most in Elda, Conjurer of Spectacle decks (370 on EDHREC). It has 3 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.