It really does seem like competitive Magic is starting to make a comeback now that events have resumed and Pro Tours are back
That focused audience makes your listings way more visible than they might be on giant sell anything platforms
Overall, Amethyst, Ruby, and Steel are more focused on attacking while Amber, Emerald, and Sapphire are more supportive, but each can be used to make interesting combinations and people can experiment with seeing what strategies work with their personal play style
Modern Horizons 2 feels like a love letter of sorts to MTG
However, Fanatical Offering, does synergize well with Dispute
When you pair it with something like Pitiless Plunderer or Ruthless Knave, you can start looping squirrel and Treasure tokens endlessly