As Foreboding Ruins enters the battlefield, you may reveal a Swamp or Mountain card from your hand. If you don't, Foreboding Ruins enters the battlefield tapped. {T}: Add {B} or {R}.
Near Mint - $0.40
Lightly Played - $0.40
Played - $0.30
Heavily Played - $0.30
Damaged - $0.20
Near Mint Non-English - $0.40
Lightly Played Non-English - $0.40
Played Non-English - $0.30
Heavily Played Non-English - $0.30
Damaged Non-English - $0.20