Since Manaphy cannot attack, you want to preserve it as long as possible to keep feeding your Palkia(s) energy so that itll have more than enough to cast Dimensional Storm
Final Thoughts: Bundle or CollectYour Call Booster Bundles and Collection Boxes are both winners in the Pokmon TCG world, striking that sweet spot between affordability and excitement with a similar pack haul
If it isn't a land card, discard it
In fact, it even includes characters who aren't part of the timeline any more, and come from the de-canonized Legends continuity, such as Darth Revan from Knights of the Old Republic
Also, I had looked down on Magic Tools before touching them, but once I used them, it was powerful to be able to layer strong moves even on the turn I filled the graveyard