Like many Fire-type Pokemon, it loses energy after attacking, but cards like Dawn help mitigate this drawback
If your library manipulation spells are at instant speed, you can cast them immediately before your turn (at the end of your opponent's turn)
In the ban announcement, Wizards even mentioned Commander as the main reason behind having playable cards in Unfinity at all: Wizards of the Coast The primary goal behind making some cards in Unfinity legal was that sticker cards and Attractions could be played in Commander, but theres no existing way to make a bunch of cards legal in Commander and not Legacy. This is an interesting statement, given that Wizards of the Coast is the company in charge of the rules
Understatement of the year, really
The cards found on The List in Bloomburrow are Special Guests cards
LEGION LEADERSHIP // LEGION STRONGHOLD I love playing with the power of creatures, even more so when they dont have to be ones I control