mtg commander artifact deck Urza, Chief Artificer Affinity Metalcraft Creatures Magic – CommanderComplete Commander / EDH MTG decks

Though this is a reliable source of Treasure production, Goldspan Dragon most notably states that rather than producing one mana of any color, when sacrificed, its controller's treasures produce two mana of any one color instead

MTG Fallout was a Universes Beyond crossover largely designed for Commander

Sometimes this is done for flavour reasons (they needed a certain effect at a certain mana level, but the original printing doesn't work for a plane where, say, the Llanowar Forest does not exist)

First appearing in the upcoming Sapphire/Steel Starter Deck for Ursula's Return , Anna, True-Hearted is a natural fit in strategies with lots of Heroes - which is exactly what that Starter deck contains