Currently 139 booster sets live (128 English + 11 vintage Japanese) from the 1996-2001 Pocket Monsters Card Game (Expansion Pack, Jungle, Mystery of the Fossils, Rocket Gang) and Base Set in January 1999 through Pitch Black in July 2026 with new sets shipping every few weeks as the catalogue expands chronologically through every Pokemon TCG era
As for why Insight Engine's price is spiking now, I have no idea - no promising new Proliferate or synergistic Artifact commanders have been revealed since the start of October
Cinderella, Stouthearted Swords, shields and singing: a triple threat Cinderella, Stouthearted was one of the first Rise of the Floodborn cards we saw from the second Lorcana set, and you can see why: this steel card boasts an incredible combination of stats and abilities that sits it right at the top of the best Rise of the Floodborn cards
You can also go for The Reaper King if you need a Halloween commander, of course
In situations like those, you might be better off just buying copies of the important cards
Players who ignore this constraint waste half of Nami's value