Still, a zero-mana artifact is nothing to sneeze at, even if you can't use it to produce mana
According to the post, one of the files on public record read as Magic: The Gathering - SLD Happy Little Gathering
they're perfect for building decks, playing Limited games with friends, and are tons of fun to open COLLECT RARE CARDS - Each Play Booster contains 1-4 cards of rarity Rare or higher, including the possibility of special cards featuring beautiful borderless alternate art SHINING FOIL CARD IN EVERY PACK - Every Play Booster also includes at least 1 card with a shiny Traditional Foil treatment
Two mana for two 1/1s isn't spectacular in Commander, but you get to tack on another ability for no extra cost
For serious sellers, the best advice I can give you is to research and track market trends using the online tools I provided to chart sales history regularly, so you can set optimal pricing for your cards
If the artifact leaves the battlefield, Treasure Nabber doesn't nab it from the zone it moved to