ohantasmal flames booster box ME Phantasmal Pokémon Mega Evolution—Phantasmal Flames expansion! Pokemon Mega Evolution ME2 Phantasmal

The three most valuable cards are the 3rd Anniversary Gold SP Monkey D

Like the mental trick with dealing with Millstone, just imagine that the exiled cards are on the bottom of your library and dont sweat it (unless your deck plans on winning with a specific combination of cards)

In the old days I was frequently lugging around my blue trade binder when I was to play

After all, the Envoy Of The End clears itself (and the turn player's hand) after destroying the board, meaning players would have previously struggled re-setting the Field after using its effect, anyway

You can pick these up at card shops or get some really cool ones at the Pokemon Center locations across Japan