The only real functionality is related to mana generation: Any mana generated by snow permanents counts as snow mana
I used to think Stax was just a reference to Smokestack, which is an artifact that gets Soot counters and forces players to sacrifice permanents on their upkeep
Winter Orb is a "stax" artifact that severely limits each player's ability to untap cards during their untap step, and that will slow the game down
Betor is a very defensive deck, so if you like walling up (sometimes literally with Wall creatures), Betor, Kin to All is a great choice of commander
One of the key new mechanics of EOE is Station, which allows players to tap their creatures to power up Planets and Spacecraft, and the set is filled with cards that reward players for tapping their permanents
Do you already have any of these built as a commander