Splinter Twin [Modern Masters 2015] Mountain Mines became common as cities

Mines became common as cities during the days of the artificers

Other Zombies have "{B}: Regenerate this permanent

Set: Antiquities Type: Artifact Creature — Thopter Rarity: Common Cost: {0} Flying

Set: Arena League 2000 Type: Instant Rarity: Rare Cost: {W} Search your library for an artifact or enchantment card

/ because you cannot change

Splinter Twin [Modern Masters 2015] Mountain Mines became common as citiesSet: Modern Masters 2015 Type: Enchantment Aura Rarity: Rare Cost: {2}{R}{R} Enchant creature Enchanted creature has "{T}: Create a token that's a copy of this creature, except it has haste. Exile that token at the beginning of the next end step." "I know just the person for that job."