Urza's Mine (Sky Background) [Antiquities] SPA Perforamente "You know it to be

"You know it to be false

Set: Fourth Edition Type: Creature — Dragon Rare Cost: {4}{R}{R} Flying (This creature can't be blocked except by creatures with flying or reach

Set: Classic Sixth Edition Type: Artifact Creature — Shapeshifter Rarity: Rare Cost: {4} As Primal Clay enters the battlefield

so he scythed away his grain to clear the sightlines

Set: Amonkhet Invocations Type: Sorcery Mythic Cost: {3}{W} Destroy all lands

Urza's Mine (Sky Background) [Antiquities] SPA Perforamente "You know it to beSet: Antiquities Type: Land Urzas Mine Rarity: Common {T}: Add {C}. If you control an Urza's Power Plant and an Urza's Tower, add {C}{C} instead. Mines became common as cities during the days of the artificers.