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Whenever your commander enters or attacks, put a page counter on this artifact

Scalelord Reckoner Scalelord Reckoner makes it very painful for your opponents to target it or your other dragons, or else they lose their best stuff

The ideal number is four players

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

This version is available in non-foil and traditional foil in both Play Boosters and Collector Boosters