Your search for "tranquil landscape 520" revealed the following:
Tranquil Landscape (Foil) (MH3) from Modern Horizons 3, available at 401 Games Canada. Rarity: Common Finish: Foil Artist: Randy Gallegos Card Text:T: Add C.T, Sacrifice Tranquil Landscape: Search your library for a basic Forest, Plains, or Island card, put it...
Tranquil Landscape (TRC) from Star Trek Commander, available at 401 Games Canada. Rarity: Common Finish: Normal Artist: Enora Mercier Card Text:T: Add C.T, Sacrifice this land: Search your library for a basic Forest, Plains, or Island card, put it onto...