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
20Poison Horn
The Defending Pokémon is now Poisoned.
50Rolling Thunder
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.)
How much is Nidoking #150/147 worth?
As of November 4, 2026, Nidoking #150/147 from Aquapolis sells for around $400.00 in raw, ungraded condition.
Grading changes the math on this one: a PSA 10 is valued around $29,723.33, roughly 74.3x the raw price, while a PSA 9 sits near $6,844.20. 2,143 copies have been graded to date, and 5% of them came back a 10 — worth knowing before you pay grading fees.
Prices on this page refresh nightly from live TCGplayer market data and are cross-checked against actual sold prices, so a single inflated listing never becomes "the price". The chart above has the full history.
Aquapolis · #150/147 · Rare Secret · 2003
NidokingExpansion Pack (No Rarity) · 1996
NidokingBase · 1999
NidokingLegendary Collection · 2002
NidokingAquapolis · 2003
Giovanni's NidokingGym Challenge · 2000
NidokingThe Town on No Map · 2002
