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
You can recognize them by the glossy embossing effect
This card is luckily available in all conditions, and thus cheaper prices, so you should be able to pick it up regardless of your budget
This has included updating how duplicate protection works, how different print versions are displayed, the ability to favorite styles, adjusting the rarity of Special Guests cards to match their historical rarities, and more
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
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