Your search for "Tempered Sliver 657" revealed the following:
Tempered Sliver (MH1) from Modern Horizons, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Mitchell Malloy Card Text:Sliver creatures you control have "Whenever this creature deals combat damage to a player, put a +1/+1 counter on it."
Tempered Sliver (Foil) (MH1) from Modern Horizons, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Mitchell Malloy Card Text:Sliver creatures you control have "Whenever this creature deals combat damage to a player, put a +1/+1 counter on it."...
Tempered Sliver - Surprise Slivers (Foil) (SLD) from Secret Lair Drop, available at 401 Games Canada. Rarity: Rare Finish: Foil Artist: Mitchell Malloy Card Text: Surprise SliversSliver creatures you control have "Whenever this creature deals combat damage to a player,...