First, it passes the four mana or less test, which as we have seen, is basically the baseline for potential eternal playability
Theros: Beyond Death is the first time Magic: The Gathering has revisited the plane inspired by Greek mythology since 2014s Journey into Nyx, the last set in the Theros block which debuted the setting in 2013
Instant Protection (CTRL to add secondary) Ramp-ish Vexing Puzzlebox Whenever you roll one or more dice, put a number of charge counters on this artifact equal to the result
(Garths One-Eye?) If Garth One-Eye leaves the battlefield and returns, or you control another copy of it, it won't remember the choices made during earlier activations
You can come back from sacrifice removal like Barter in Blood that gets past indestructible stuff
Commander and Standard players cant wait to cover their opponents creatures in -1/-1 counters