Permanent spells you control become artifact spells in addition to their other types, and nonland permanent cards you own in other zones become artifact cards in addition to their other types
Different stores have different techniques, but it generally comes down to something like Mint/Near Mint (M/NM) being the best followed by Slightly Played (SP), and Played (PL), Heavily Played (HP), and finally Poor
It removes the risk of re-triggering EtB effects without removing the risk of having the enchantment removed
Part of its popularity comes from politicsthe nickname for the social deals and weird choices you get to make in the 4-player format where you can often only impact 1 opponent at a time
2 - Jace, the Mind Sculptor It's funny to think that Jace, the Mind Sculptor, once considered the strongest Planeswalker of all time, might just not have a place in Timeless because it's competing with The One Ring in the four-mana slot and has a close race with Teferi, Hero of Dominaria in the format's Azorius and Jeskai Control lists
Keep an eye on event schedules and formats, as some may align better with your current collection or play style, offering a more efficient path to acquiring new cards