Your search for "etched slith 91" revealed the following:
Etched Slith (Foil) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Uncommon Finish: Foil Artist: Allen Williams Card Text:MenaceWhenever Etched Slith deals combat damage to a player, put a +1/+1 counter on it. When you do, you...
Etched Slith (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Uncommon Finish: Normal Artist: Allen Williams Card Text:MenaceWhenever Etched Slith deals combat damage to a player, put a +1/+1 counter on it. When you do, you may...