Rather than challenging your opponent directly, the game plan is to get more value from your board than your opponent can from theirs, faster - while also using tricks to disrupt them and Bodyguards to protect your more important characters
Hazel of the Rootbloom, one of the better Bloomburrow commanders, generates dizzying amounts of mana
Kaldheim also sees the return of snow cards
There's a bit of a Treasure subtheme with Gemcutter Buccaneer and Malcolm, Keen-Eyed Navigator being the standouts, but there's barely any other treasure generators or treasure payoffs to be found
Whenever a spell deals damage to this creature, this creature deals that much damage to that spell's controller
Fresh batches of cards (usually called 'sets') come out every few months