
All Slivers have "{2}: Regenerate this permanent."
Clot Sliver has 4 printings, first in Tempest (1997). EDHREC ranks it #10,965 among Commander cards. It appears most in The First Sliver decks (4,225 on EDHREC). 1 public deck on TCG runs it. It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.