
All Slivers have "Whenever this permanent becomes the target of a spell an opponent controls, you may draw a card."
Opaline Sliver has 2 printings, first in Time Spiral (2006). EDHREC ranks it #10,930 among Commander cards. It appears most in The First Sliver decks (4,945 on EDHREC). It has 2 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.