While there are several that Im excited to play, Alchemists Talent jumps out to me as the most generically useful because Treasure is so powerful in Commander these days
In the battle between Absorb and other three-mana counters Absorb would almost always win out if it was easily castable, and it was even a small incentive to choose white over black as a secondary color
Granted, setting yourself back 2 lands can be a steep price in the early game, but if youre clearing out a bunch of enemy mana rocks like Sol Ring and Mana Crypt, that can easily be a price worth paying to stop early explosive plays from your opponents
At the same time, by focusing more on the middle ground, Ruby/Amethyst doesnt fair quite as well in the late game as, for example, Ruby/Sapphire that has access to tons of powerful card removal characters and insane lore gaining capabilities
Love this trio loads and they are great in aggro, Hate Bear, tokens, creature type matters with lower power stuff and more
I wouldnt play it without ample fodder to trigger the Wizard token, though