You are using a whole slot to return something that can be cast again
Fan-made custom cards, proxy cards, and counterfeit cards may all be unofficial, but they are not interchangeableand treating them as such only adds to the confusion
Crumbling Necropolis
While other Rings of Power were forged for Elven-kings, Dwarf-lords, and the mortal men of Middle-earth, there is only one that matters most: the One Ring to rule them all
Use holographic paper for hero/boss cards that players need to visually identify across the table, or holographic foil for subtle rarity indicators
Not all of the new Doctor Who cards care about Time Counters, either on suspended cards or on permanents you control, but it seems like a really fun direction to build in and a great way to make the most of your own wibbly-wobbly, timey-wimey Doctor Who Commander deck