Personally, I think the best bet would be if we see these show up either in promo packs or if they are able to be pulled in the Reverse Holo slot like Shinies or Amazing Rares
Power of the Dragon, Synchro of Unity or Link Generation - how important is the starting deck choice in Yu-Gi-Oh
Graded Population Report: Hoothoot #TG12 Visualize the distrbution of grades in the chart
Even if you arent dealing tons of damage to Smaug, a few specific payoffs can help swing the game immediately
But we've still got to see the full card list to see which singles will be Pokmon Ascended Heroes' most sought-after card, and which chases will inevitably become the most expensive Pokmon cards of the expansion
To recap, I mentioned the utility of fight cards like Blizzard Brawl that allow you to use Mavindas ability reactively, as well as spells like Defiant Strike that provide card advantage