In the entire XY era, Tyrunt and Amaura both only got a single card and only in the Sun & Moon era did they receive a second where they were overshadowed by being old news
I dont know enough to give any valuable input, but im looking forward to learning through the answers of those more knowledgeable
however, one of the grading criteria does not meet the requirements of a Pristine 10
The biggest is that the pandemic has slowed down the production and distribution of physical cards, creating a scarcity in stores
3 O'aka, Traveling Merchant Finality Counters Don't Have To Be So Final Like Hermes, you're not going to be running O'aka as the commander
But you can overdo it, so a handful here and there work (plus you can use Honor the Fallens exiled stuff as well)