Mishra's Factory (German) - "Mishras Fabrik" [Renaissance] Core Set 2019 Prerelease Promos so it shall be

so it shall be

Set: Ixalan Prerelease Promos Type: Legendary Enchantment // Legendary Land Rarity: Rare Cost: {W} When Legion's Landing enters the battlefield

exile it instead

Set: Seventh Edition Type: Artifact Rarity: Uncommon Cost: {3} Whenever a creature attacks

any time you could activate a mana ability

Mishra's Factory (German) - "Mishras Fabrik" [Renaissance] Core Set 2019 Prerelease Promos so it shall beSet: Renaissance Type: Land Rarity: Uncommon {T}: Add {C}. {1}: Mishra's Factory becomes a 2 2 Assembly Worker artifact creature until end of turn. It's still a land. {T}: Target Assembly Worker creature gets +1 +1 until end of turn.