Nidoking Secret Rare #150

Nidoking is a Stage 2 card from the Aquapolis set (card #150). It carries a rarity of Rare Secret, placing it in the highest tier of desirability within this expansion. As a Colorless-type Pokémon, Nidoking brings distinct strategic advantages to TCG gameplay.

Colorless-type Pokémon offer flexibility, requiring any energy type. They serve as universal tech cards in many decks.

Nidoking is a Stage 2 Pokémon — the highest evolution tier. Stage 2 Pokémon are the powerhouses of the TCG, boasting high HP and devastating attacks, though they require more setup to bring into play.

With 100 HP, Nidoking has solid mid-tier health, offering a balance between offence and survivability.

With a market value of $9.49, Nidoking represents an accessible mid-range card from the Aquapolis set. Cards in this price range are excellent candidates for grading — if you can pull a pristine copy and submit it for PSA or CGC grading, the premium on a gem mint copy could deliver solid returns.

From an investment perspective, Nidoking benefits from being a Rare Secret card in the Aquapolis expansion. Cards from popular sets with iconic Pokémon tend to appreciate 15-30% annually once the set goes out of print. Monitor price trends and consider grading valuable copies for maximum resale value.