Like most Magic: The Gathering cards, the value of More or Less depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Unstable)
(Whenever a creature you control attacks alone, that creature gets +1/+1 until end of turn for each instance of exalted among permanents you control.) If Merchant of Truth dies at the same time as one or more other nontoken creatures you control, its second ability will trigger for each of those creatures
It is regarded with suspicion by some card collectors, and has had its moments of controversy in grading decisions: a recent example saw a YouTuber's "factory damaged" Pokemon cards graded incorrectly, when in fact the owner had damaged the cards themselves
How rare are God Packs in Pokmon TCG Pocket
Standard players gain new control and ramp tools, while Commander brewers are already testing Station engines
With an attack stat of 4,400, Ultimate Ancient Gear Golem is tough to take down even in the best of circumstances
