Its unique abilities and gameplay mechanics make it a memorable addition to any player's team
This ability has turned the uncommon into a Commander staple and even let it break into Modern a bit, which I guess makes it the most broken card of the year, more or less by default, because there just aren't a ton of good options
The classic It Goes Infinite with a Ham Sandwich card, Lion's Eye Diamond makes you all the mana, discard all the cards, and can repeat that with so many cards
There are no chat channels of any kind in the game, no trading, really no reason or way for people to communicate through the platform (aka community isolation)
Thats some incredible card advantage for aggro decks
The card selection in the set is generally pretty strong