Tarnation Vista 60 (Outlaws of Thunder Junction: The Big Score)

This land enters tapped. As it enters, choose a color. {T}: Add one mana of the chosen color. {1}, {T}: For each color among monocolored permanents you control, add one mana of that color.

NM - $8.40
LP - $6.70
MP - $5.00
HP - $3.40
DMG - $2.20