professor's letter pokemon card Research (007/P-A) Base Set Type Professor's Letter (XY 123) -

At the beginning of your end step, if you descended this turn, put a bore counter on Brass's Tunnel-Grinder

Thraben Inspector: reads too good to be a common

Cards that can accomplish both at once like Angel of Death, Medusa and Kong are especially exciting

For filler 2k counters with utility, P-094-roronoa-zoro and ST24-005-xdrake stand out as versatile options for specific situations, allowing you to rest or KO opposing units

Any of these cards make it easy to transition to your end game, though you can still do it without them

Because cards are currently only obtainable via opening packs with random pulls, not all of these decks will be easy to build