Prairie Stream [The Lord of the Rings: Tales of Middle-Earth Commander]Set: The Lord of the Rings: Tales of Middle Earth Commander Type: Land Plains Island Rarity: Rare (T: Add W or U.) Prairie Stream enters the battlefield tapped unless you control two or more basic lands. Aragorn saw the River like a ribbon laid down to Pelargir, and beyond that was a light on the sky that spoke of the Sea. And Gandalf said: "This is your realm, and the heart of the greater realm that shall be."