Last year one noncreature spell (Stratus Walk) managed to snuck into the list, but not this time
The pack includes unique mechanics like mutation and the ability to design your own creatures
They have Giver of Runes and Tidehollow Sculler so Searing Blaze is great
While we haven't seen new Morph cards since Commander 2019 , Mark Rosewater has declared that the mechanic is a five on the Storm Scale, adding, "Odds are we'll see it again." Count me as one of the players excited to see this mechanic's return, even if it is somewhat outclassed by Disguise
If I can summarize that incredibly complex and nuanced section into one oversimplified sentence: We're relying on temporary mana (rituals and such), and we're making sure our opponents' board states are as slim as ours
Another good thing here is that after using it with the backup ability, you can still Fling your Thrillseeker itself