This Legendary Creature card has a high cost to play, but it is very much worth it with the game-shattering effect of giving your Creatures plus two / plus two while giving your foes Creatures negative two / negative two, which has shown itself to be absolutely game-defining in the Commander format
Time and time again, card drawing has proven to be a solid, almost risk-free path to victory, so much so that many players live by the statement "If you draw more cards than your opponent, you will just win." Brian Weissman, "Taking Card Advantage" The first major step that almost any player who is serious about getting good at Magic distinguishes him- or herself with is an understanding of this concept of card advantage
While cursing yourself may not initially seem the most beneficial, Lynde states that at the beginning of your upkeep, you can move a curse attached to you to another player, drawing two cards in the process
This means that other players have built 31 different kinds of Atraxa decks that werent Superfriends