These errata cards are cards that have their text updated to fix errors, spelling mistakes, gameplay clarification and other design issues
The whole of the Eternal Might precon is in demand, so it might hold a slightly higher price than other face cards
The once noble Brimaz, Blight of Oreskos has been brought into Phyrexias fold, rewarding you with Incubator tokens with every Phyrexian spell you cast, and Ixhel, Scion of Atraxa, a true Poison Counter commander, dedicated to infecting every player it can with Phryexias venom
Fear of Missing Out's last ability doesn't give you any additional main phases
We're using the commons and uncommons to show off something cool about the set
Keeper of the Accord can absolutely do this on the condition it survives to see at least 1-2 opposing end steps