Urza's Mine (Pulley Embedded in Stone) [Antiquities] Aether Revolt Prerelease Promos return it to the battlefield

return it to the battlefield transformed under its owner's control

gets +1/+1

Set: Secret Lair Drop Promos Type: Creature — Sliver Rarity: Rare Cost: {1}{G} Sliver creatures you control have “{T}: Add one mana of any color

you may exile target creature an opponent controls until this creature leaves the battlefield

“A crystallized moment in time from the Mending Era

Urza's Mine (Pulley Embedded in Stone) [Antiquities] Aether Revolt Prerelease Promos return it to the battlefieldSet: Antiquities Type: Land Urza's Mine Rarity: Uncommon {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.