Mox Sapphire doesn't do anything more than provide a single blue mana, but the fact you could play as many of these artifacts as you wished on the first turn meant it was theoretically possible to have far more mana than your opponent if you received a lucky draw
Sacrifice is ever a popular staple strategy of Commander as well, which this can shut down handily and still offer a stronger burst of graveyard hate in a pinch
Lets use an easy example: Spirebluff Canal
BCW top loaders are widely available, reasonably clear, and usually a little more affordable when buying larger quantities
P/T Number 127 Language Espaol Legal Formats Alchemy, Brawl, Commander, Competitive Brawl, Historic, Legacy, Modern, Pioneer, Standard, Timeless, Vintage Rulings (6/6/2025) Each face of a nonmodal double-faced card has its own set of characteristics: name, types, subtypes, abilities, and so on