Red has no problem playing cards from exile or finding fun ways to play cards from your opponents' decks, but going through more of your deck than one card per turn is a challenge
Tegwyll offers card advantage in the Command Zone, which is always good
Putting a lore counter on a Saga will usually cause its next chapter ability to trigger
The story flavor is obviously oozing here, and like Sigarda, Host of Herons all we can do is weep when we look at what her sisters have become
That of course comes with the downside of potentially being blown out, but I think the odds of that are lower than they need to be to counter an effect like this
Speaking of cards likely to stick around in the format, Excalibur, Sword of Eden seems pretty cracked from my testing so far