Most players of this format want a laid-back game of slinging spells, slowly gaining advantage, and let everyone at the table "do their decks thing." There are some Commander players that want to push the format to the extreme and try to win as quickly and efficiently as possible
Epic cards sit between Legendary and Enchanted, making them rarer than the former but easier to find than the latter
If you swap effects with a creature on your opponent's side of the field, they're left with a rubbish card that loses them life every turn
Tymna the Weaver + Jeska, Thrice Born You want to make sure you do one of two things when it comes to partner commanders: stack them on one another or make sure they complement each other
Being able to draw extra cards and play extra lands is very good in Magic
Split cards have a lot of unintuitive unpleasant ideas in them, like how each of the two cards on it are slightly worse than what youd get if you just had one card dedicated to either