Life from the Loam, a card that Afterlife from the Loam references, is about $9 at the time of writing
The tri-colored identity might inhibit Bladecoil Serpents use, especially if the discard mode is the most appealing to you, but perhaps Nicol Bolas or Lord Xander, the Collector players might want a way to spread that hand-shredding love to everyone, not just target opponents
You can get taken advantage of if they are purchased from a mysterious seller in China
While there are a couple ways to blink things and a couple payoffs, its not an all-in archetype that way that Affinity was in MMA2013 and 2015
Unless Hero tokens get some powerful support cards, this is likely a pack filler at best
Pack price will be slated for $6.99, similar to previous Masters sets