If you have protection from everything, damage that would be dealt to you would normally be prevented
Phyrexian Arena: great reprint, and a great pull in a sea of not-so-great rare pulls
The exiled cards become "extra cards in the hand", so make sure to choose carefully
Galathul Galecaller and Limitless Rekindling are contained by Alchemy: Strixhaven and only on Arena, and they are quite cool if you can pull them off
Its unlikely, but with strong tribal synergies, they may just be a fantastic starting point, especially since theyre mono-colored
With the cards being legal for Commander play, it also meant that the designs could both capture the characters and moments depicted but also be sweet standalone cards to add to your Commander decks