Axe of the Warmonger [Journey into Nyx Hero's Path] Human Ninja Mines became common as cities

Mines became common as cities during the days of the artificers

Set: Unlimited Edition Type: Creature — Human Knight Rarity: Uncommon Cost: {W}{W} First strike (This creature deals combat damage before creatures without first strike

and that player decides whether to flip again

Set: Dominaria Type: Legendary Artifact — Equipment Rarity: Rare Cost: {4} At the beginning of combat on your turn

The Caterans call it a screening process

Axe of the Warmonger [Journey into Nyx Hero's Path] Human Ninja Mines became common as citiesSet: Journey into Nyx Hero's Path Type: Hero Artifact Equipment Rarity: Common Equipped creature gets +2 +1 and has haste. Equip {2}