A bunch of short stories on the main website; the first two are the main story and the third is a side story:
https://magic.wizards.com/en/article...ion-2021-03-25
https://magic.wizards.com/en/article...ons-2021-03-31
https://magic.wizards.com/en/article...gic-2021-03-26

Spoiler: Thoughts
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A little annoyed that Garruk got handwaved out of the story with a single line, but I guess he's not meant to be in this set to begin with.

Liliana is apparently a former student...who nobody at the school recognizes. Her involvement with Bolas may not be relevant to what she claims is a largely isolated institution, but alumni coming back in disguise? You'd think there'd be magic for that.

Part two reveals that she hoped to resurrect Gideon but the dragon she asks for help says it's a no-go. Not that it's impossible, but it's super risky.

Part two also seems to indicate that the Oriq are not as capable as their sinister aura would indicate. But now their leader is having a chat with Lukka things will probably change. Based on the revealed cards we know that some big things will eventually go down.

The Rootha story is...alright I guess? Having a "regular student" POV isn't the worst idea anyhow.