future Marvel sets won't get the in-universe treatment and SPM art and names were added to Arena on June 23, when MSH release
You should try to keep to eight or less spells that require colored mana post-sideboard, but this rule is a bit looser
Commander is one of the few Magic: the Gathering formats that boasts the ability to play any card from across all the sets from the games more than 30-year history
It does not, for example, change when you may activate abilities that can be activated "only as a sorcery." 2023-06-16 Gandalf the White affects a permanent's own enters-the-battlefield and leaves-the-battlefield triggered abilities as well as other triggered abilities that trigger when that permanent enters or leaves the battlefield
It's actually two cards, that combine to form a single card with the standard M:TG monster, representing you summoning a 99/99 Big Furry Monster that also requires you to pay a frick-ton of black mana, and can only exist if both card sits no the board, because it's such a big furry giant-thing
Such attributes rarely add up to a card not cube worthy
