Valakut, the Molten Pinnacle 228/249 (Zendikar)

This land enters tapped. Whenever a Mountain you control enters, if you control at least five other Mountains, you may have this land deal 3 damage to any target. {T}: Add {R}.

NM - $38.50
LP - $31.00
MP - $23.50
HP - $15.50
DMG - $8.00