The most valuable Mewtwo cards typically include 1st Edition holographic cards from early sets, Gold Star variants, Alt Art cards from modern sets, and promotional cards with limited distribution
Admittedly, I'm an odd mishmash of target audiences when it comes to one of the best card games
And Theros Standard is a format mainly consisting of a multi-color block full of powerful gold cards like Loxodon Smiter and Sphinx's Revelation, and decent multi-color manabases based on shocklands, scrylands, and guildgates
Either way, tying up a Commander for a few turns, unable to be recast, is sometimes all you need
Kobys signature ability lets SWORD characters attack opponent characters immediately after hitting the field
A 10 is the highest possible grading a card can achieve and it has to be looking mighty fresh if youre hoping to score that high