Popular cards like Eternal Witness work just as well as less used ones like Sam's Desperate Rescue and keep your goal of taking over with the big beast alive
Airlift Chaplain is a good point of comparison for this card
Without some sort of Tool disruption, Zacian V can escape the OHKO range of Umbreon V / Umbreon VMAX and Single Strike Urshifu V, so you want to have a way around it
Using that same logic in reverse, in order to ruin a potential CT scan, all that would be needed would be some kind of non-fitted piece of tissue paper, string, or otherwise foreign item extremely susceptible to subtle movement
Collector Boosters have a high risk/reward profile
We all know the Pokemon Card market has been gradually expanding, underlined most boldly by some YouTuber spending a quarter of a million on a high-graded Charizard - but that means that the Pokemon TCG, like graphics cards, is now owned by scalper idiots