Urza's Mine (Mine Cart Entering Mouth) [Antiquities] Nissa Set: Legends Type: Legendary Creature

Set: Legends Type: Legendary Creature — Human Warrior Rarity: Rare Cost: {4}{R}{G}{W} When Hazezon Tamar enters the battlefield

Set: Legions Type: Creature — Sliver Rarity: Rare Cost: {3}{W} Whenever a Sliver deals damage

but how could that be

Set: Planar Chaos Type: Sorcery Rarity: Rare Cost: {3}{W} Return each Aura card from your graveyard to the battlefield

Urza's Mine (Mine Cart Entering Mouth) [Antiquities] Nissa Set: Legends Type: Legendary CreatureSet: 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.