I say things like Deaths Shadow is easy to play, but thats really Deaths Shadow is easy to play if your job has been playing games with these cards since Bitterblossom was in Standard. Im a very heuristics-based player, and fortunately for you that lets me put a lot of the tips and tricks for what I know about these cards into easy-to-digest snippets
Look for the legendary Pokmon
This file has a particularity, which is that in the green dot at the back, you can find a little bright portion on it
The other cards see less play but its nice to have a threat that can also fix your mana
Similarly, if you run a cascade commander like Maelstrom Wanderer, there are very few options for counterspells available
Secret Box ACE SPEC is notably easier to pull than Illustration Rares but, at $15, is surprisingly high in value for this kind of card