Observe whats competitive, figure out what you want to play, and obtain the cards that apply
Giovanni's Nidoking #7Holo Rare $74.47 Nidoking #11Holo Rare $39.46 Nidoking #11Holo Rare $146.41 Nidoking #11Holo Rare $42.69 Nidoking #31Rare $14.04 Nidoking #8Holo Rare $28.78 Nidoking #34Rare $3.92 Nidoking #29Rare $7.03 Nidoking #6Holo Rare $12.07 Nidoking #58Rare $3.39 Electrode #8Rare $13.11 Ampharos (H1) #H1Holo Rare $350.00 Muk (H17) #H17Holo Rare $260.80 Azumarill (H4) #H4Holo Rare $149.99 Lanturn (H15) #H15Holo Rare $63.99 Bellossom #5Rare $21.93 Jynx #18Rare $30.73 Espeon (H9) #H9Holo Rare $289.99 Kingdra (H14) #H14Holo Rare $196.57 Espeon #11Rare $123.36
A premium Pikachu card from any era tends to hold and gain value
Since mutate is an alternate casting cost and not an ability that can just be activated from the command zone, its still subject to the commander tax
It's going to be interesting to see how the latest set, Sword & Shield Lost Origin , is seen because it is the second main series set in a row that has a special Trainer Gallery subset consisting of Character Cards, Character Super Rares, Full Art Trainers, and Black and Gold VMAXes that can be pulled in the Reverse Holo slot along with the new card type Radiant Pokmon
The series has over 1,000 chapters and is one of the longest manga series by number of volumes