Luminous Quartz (012) - Merlin Re Collection Brilliant Vestige

As long as Luminous Quartz is rested, it can't be used for an attack.

[Sheen 12+] REST, Remove a preparation counter from your champion: As a Spell, deal 1+X damage to target unit, where X is the amount of sheen counters on it. Activate this ability only at slow speed.