Aside from the rotation, its also important to take a look at the ban list and restrictions
Wilderness Reclamation did something very similar, but for lands, not non-lands, so this new version needs a little more buildaround to really break
Players could still get and play unserialized versions of the card to play, which is to some extent the same here as each of the chocobo is the same color, but while the art used for the One Ring cards would be different, it was still just the same ring, just with a different picture
Can you resist the temptation of collector and set boosters
It can kick off your ability to start proliferating counters on each opponent in the early game
That usually means: - Clear card name and rules text - Consistent sizing and thickness (especially when sleeved) - No gotcha presentation (dont make it easy to confuse with an authentic card) If you want the lowest-drama option, use sleeves and keep proxies visually obvious enough that nobody feels weird about it