The most expensive Pokemon TCG cards tend to feature vintage cards from the late 90s and early 2000s, though you'll still find plenty of valuable cards in the Scarlet & Violet era
Swamp: The Assassin must be the last one to survive
However, buying just one would not be worthwhile because Id be paying north of $40 after shipping
The more Energy cards from the players Pokmon are discarded, the more damage the attack inflicts
Also, Bill was hoping for a mechanic that was a little less synergistic, something that could stand on its own more, one that didn't require you dedicating a whole theme just to play it

Blaine's Tauros #64Common $1.12 Paldean Tauros #48Uncommon $0.17 Paldean Tauros - 011/073 #11Uncommon $0.23 Paldean Tauros - 011/106 #11Uncommon $0.15 Paldean Tauros - 018/191 #18Uncommon $0.17 Paldean Tauros - 021/073 #21Uncommon $0.16 Paldean Tauros - 024/106 #24Uncommon $0.12 Paldean Tauros - 027/190 #27None $0.10 Paldean Tauros - 028/193 #28Uncommon $0.15 Incineroar GX #27Ultra Rare $2.79 Surskit #7Common $0.02 Litten #24Common $0.24 Pinsir #6Uncommon $0.16 Pelipper #38Uncommon $0.10 Wishiwashi #44Uncommon $0.07 Bounsweet #18Common $0.04 Butterfree #3Rare $0.34 Dartrix #10Uncommon $0.26 Primarina GX #42Ultra Rare $3.78 Jungle Booster Box [1st Edition] Jungle Booster Box [Unlimited Edition] Jungle Booster Pack [1st Edition] $629.70 Jungle Booster Pack [Unlimited Edition] $287.44 Jungle Theme Deck - "Power Reserve" $179.99 Jungle Theme Deck - "Water Blast" $399.97 Base Set 2 - 2-Player CD-ROM Starter Set $176.60 Base Set 2 Booster Box $9999.00