[30] [3] The format "supports two to six players, sometimes more"
If an adventurer card ends up in exile for any other reason than by exiling itself while resolving, it won't give you permission to cast it as a non-Adventure spell
It's a tough topic to discuss, since any player who complains about this announcement runs the risk of sounding like a nasty Grinch Who Hates Fun
With Abyss Proxy Shop, you can play with Alela, Artful Provocateur and every legendary Commander staple you need all without spending a fortune
Even then, Im struggling to see if drawing X cards for X mana is worth it versus the restriction of having to have an opponent draw four cards to begin with
Then, if you choose to exile more instant or sorceries, Murktide Regent only becomes bigger