
Sliver creatures you control have "Whenever this creature deals combat damage to a player, put a +1/+1 counter on it."
Tempered Sliver has 3 printings, first in Modern Horizons (2019). EDHREC ranks it #11,702 among Commander cards. It appears most in The First Sliver decks (3,618 on EDHREC).
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.