Worth it in my eyes, only buy if you can afford it
Even in a 40 life format (*cough* Commander *cough*), Athreos tends to be a great long-game clock that also nets you good stuff here and there, at least in the early game
Heres a bit of a left field deck suggestion: Nine-Fingers Keene wants to get as many different Gates onto the battlefield as possible, so having an instant to assist in that mission will be a sneaky inclusion
Optimistic Scenario (CAGR, 20252031): 682,630 | CAGR: 49.8% p.a
Building The Deck Zack Fairs ability to pass on counters is limited by the fact that he has to die to do so, and a single +1/+1 counter isnt valuable enough to deal with the growing commander tax as you loop casting and sacrificing him
There are all sorts of ways to go with this strategy, and every few years it becomes a little more viable in various formats as Elves rotate in and out of Standard