Nidoking – Aquapolis (#150)

Price Overview & Key Facts
Nidoking (#150) is a Rare Secret card from E-Card - Aquapolis released in 2003. It showcases artwork by Hironobu Yoshida and the Poison Horn attack (20 damage), The Defending Pokémon is now Poisoned.. TCGplayer market price sits around $999.00, Cardmarket average sale is €325.62, Floor listings start near €65.00.
- TCGplayer market price: $999.00
- Cardmarket trend price: €376.29
- Recent low listing: €65.00
Card Details
- Set
- Aquapolis
- Card Number
- 150
- Rarity
- ✨ Rare Secret
- Illustrator
- 🎨 Hironobu Yoshida
- HP
- 100
- Type
- ⭐ Colorless
- Weaknesses
- Grass ×2
- Retreat Cost
- 3 (Colorless, Colorless, Colorless)
Abilities
-
Crystal Type
Whenever you attach a Grass, Lightning, or Fire basic Energy card from your hand to Nidoking, Nidoking's type (color) becomes the same as that Energy card type until the end of the turn.
Attacks & Strategy
-
Poison Horn
[Grass, Grass, Colorless]
— 20
The Defending Pokémon is now Poisoned. -
Rolling Thunder
[Lightning, Lightning, Fighting, Fighting]
— 50
Flip a coin, If heads, this attack does 10 damage to each of your opponent's Benched Pokémon. If tails, this attack does 10 damage to each of your Benched Pokémon. (Don't apply Weakness or Resistance for Benched Pokémon.)
💎 Collector's Value & Investment Potential
Nidoking from Aquapolis (Rare Secret) represents a premium addition to any Pokémon TCG collection. Released in 2003, this card features artwork by renowned illustrator Hironobu Yoshida.
Market Trends: Current market conditions show moderate interest in this card.
Investment Considerations: Vintage cards from this era have shown strong long-term appreciation potential. Premium rarities like this typically see stronger price retention during market fluctuations.
⚔️ Competitive Play & Tournament Viability
This Nidoking 150 is legal for tournament play in Unlimited format.
Key Attack: Nidoking's Poison Horn deals 20 damage for Grass + Grass + Colorless energy. Special effect: The Defending Pokémon is now Poisoned.
Stats Overview: 100 HP • Colorless Type • Weak to Grass ×2
Players should check the official Pokémon TCG tournament rules for the most current format regulations and card legality status.
� Compare Nidoking Cards
Looking for other Nidoking cards to compare? View different versions with varying HP, attacks, and rarity levels.
Set | HP | Attacks | Rarity | Avg Price |
---|---|---|---|---|
Aquapolis #150 ← Current | 100 | 2 attacks | Rare Secret | $999.00 |
�📦 Aquapolis Set Context
This Nidoking is part of the Aquapolis expansion , released as part of the E-Card series in 2003. As a Rare Secret card, it represents one of the premium pulls from this set.
Artist Spotlight: This card features artwork by Hironobu Yoshida, whose distinctive illustration style has made their cards highly collectible. Explore more cards illustrated by this artist to discover similar art styles and collecting themes.
💎 Professional Grading Guide
Professional grading can significantly increase the value of your Nidoking card. Here's what you need to know:
Industry standard • Value multiplier: 3-6x
Best for: High-value cards, modern sets
Subgrades available • Value multiplier: 3-5x
Best for: Premium cards, perfect centering
Fast turnaround • Value multiplier: 2-4x
Best for: Budget-friendly option, bulk
💡 Should You Grade This Card?
- Yes, consider grading if: Premium rarity card in Near Mint+ condition
- Grading cost: $20-100+ per card (depending on service level)
- Break-even point: Card should be worth $50+ raw to justify grading costs
- Turnaround time: 2 weeks to 6 months depending on service
Collector Notes
- Rare Secret cards from Aquapolis are typically short-printed and head straight into collector binders.
- The illustration by Hironobu Yoshida resonates with starter collectors, creating consistent search demand for this Bulbasaur variant.
- Colorless typing keeps this card relevant for themed decks and Grass-type collectors alike.
More from Aquapolis












📚 Card History & Trivia
Release Information: Nidoking 150 was released in 2003 in the Aquapolis expansion. This set is part of the E-Card series, which introduced new gameplay mechanics and collectible cards.
Artist Background: The artwork for this card was created by Hironobu Yoshida. Professional Pokémon TCG artists undergo rigorous selection and bring unique styles to the game. View complete portfolio →
Rarity & Collectibility: As a Rare Secret card, this Nidoking is among the premium chase cards from Aquapolis. Secret Rare cards have card numbers that exceed the set total, making them highly sought after by completionists. These premium versions typically hold value better than common printings.
Set Popularity: Aquapolis is a vintage set that has gained significant collector interest over time, with sealed product and individual cards showing strong appreciation.
Competitive History: Colorless type Pokémon like Nidoking with versatile attack options provide flexibility in deck building and can adapt to different matchups. Currently legal in Unlimited format.
🛡️ Related Products & Deck Building
Maximize the value and playability of your Nidoking card with these essential products:
- Penny sleeves: Basic protection
- Perfect fit sleeves: Pre-grading
- Top loaders: Display & storage
- Magnetic holders recommended
- Binders with side-loading pages
- Storage boxes (800-count)
- ETB (Elite Trainer Box) storage
- Premium display cases
- Pair with Colorless energy cards
- Energy acceleration trainers
- Draw support & consistency cards
💡 Deck Building Tip: Nidoking works best in Colorless type decks.