The universe has a complex, interconnected magic system, which Sanderson describes on his website, All of my Cosmere books share a single creation myth, a single cosmology, that gives underlying theorem of magic for all these connected worlds
This matters less for NM cards but can be frustrating for older or played-condition cards
The greatest traveler and huntsman of this age of the world
All of the cards will be themed around Dungeons & Dragons lore, characters and locations, along with boasting mechanics designed explicitly for the multiplayer Commander format
It might technically cost you a mana but it comes at no card cost or deck space cost and that is massive
This effectively kills off an online format of play known as Legacy. Also, players will not be allowed to trade cards or packs like they do in PTCGO , which seems kind of unfair for a game with Trading in its name