Also note this is instant speed, so you can cast it when Player A attacks Player B and you can gang up on that Archenemy
For the underlying philosophy that drives the banlist, see Format Philosophy
It has an errata confirming the correction, so any character can be chosen, not just the opponents
Some slightly cheesy and horoscope-y examples below (note that the cheesiness is because Im trying to describe a general archetype, rather than pulling from specific subsets of each color as I would with a real, narrow example): Hopefully its easy to see how slight tweaks to make one color more prominent or another less crucial can result in a lot of different flavors. Another important point is that, since each color is a large bucket and people are small and specific, a person whos e.g
Oil Slick foil: $20 to $25 Prerelease foil: $17 to $20 Foil: $10 Regular: $8 to $9 Phyrexian Obliterator Reprinted in ONE , Phyrexian Obliterator has a history of variations worth money on the secondary market
Format Matters More Than Power Level A lot of the best white cards in MTG are incredible in Commander but feel clunky elsewhere