CMM: Urza, Lord High Artificer (Borderless) (Foil) meta-demo Barcelona is a city building

Barcelona is a city building game that is played over a variable number of rounds interrupted by three scoring phases before a final scoring phase

Rounds: 3

Whenever a player casts a noncreature spell

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Flashback {4}{G} (You may cast this card from your graveyard for its flashback cost

CMM: Urza, Lord High Artificer (Borderless) (Foil) meta-demo Barcelona is a city buildingWhen Urza, Lord High Artificer enters, create a 0 0 colorless Construct artifact creature token with "This creature gets +1 +1 for each artifact you control." Tap an untapped artifact you control: Add {U}. {5}: Shuffle your library, then exile the top card. Until end of turn, you may play that card without paying its mana cost.