Up until the release of Fabled in August 2025, all sets followed the same format as The First Chapter, with 204 standard cards with foil versions, as well the special full-art Enchanted cards
You have the option to import only the successful cards and download a CSV with the errors detected so that you can fix them manually and import back later
That said, Felix would be best served by a deck built specifically around getting as triggered ability activations as possible, which would make theft-specific cards like Thieving Varmint and Sage of the Beyond less useful
Once you have the poison engine going, Brimaz effectively turns all your Phyrexians into rattlesnakes, since using even just one to chump-block means that you get to proliferate at the next end step
He is a quintessential Voltron commander, with the goal of eliminating players in just three hits of commander damage
World Map is a way to correct land drops, while Crystal of Altar Cave (Chromatic Lantern) allows lands to generate mana of any color, being the most efficient fixing of all