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.
Near Mint - £0.30
Lightly Played - £0.20
Moderately Played - £0.20
Heavily Played - £0.20
Damaged - £0.10
Near Mint Non English - £0.30
Lightly Played Non English - £0.20
Moderately Played Non English - £0.20
Heavily Played Non English - £0.20
Damaged Non English - £0.10