Your search for "Lancer Sliver 18" revealed the following:
Lancer Sliver (MH1) from Modern Horizons, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Lucas Graciano Card Text:Sliver creatures you control have first strike.
Due to distribution restrictions we are only able to ship this product to addresses within Canada.
Lancer Sliver (Foil) (MH1) from Modern Horizons, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Lucas Graciano Card Text:Sliver creatures you control have first strike.