• $20.91Market priceNov 2, 2026
  • RareRarity

Card details

Dark Omastar is a Water-type Stage 2 Pokémon with 70 HP, illustrated by Tomokazu Komiya.

Prehistoric Water

If your opponent has any evolved Pokémon in play, choose 1 of them and flip a coin. If heads, your opponent takes the highest Stage Evolution card on that Pokémon and shuffles it into his or her deck.

Dark Tentacle30

During your opponent's next turn, the Defending Pokémon can't evolve except from effects of attacks or Pokémon Powers. (Benching that Pokémon ends this effect.)

Nothing can escape once wrapped in its tentacles, which it uses for self-defense as well as to catch food.

Card type
Stage 2 Pokémon
HP
70
Type
Water
Evolves from
Dark Omanyte
Weakness
×2
Resistance
None
Retreat cost
Illustrator
Tomokazu Komiya
Card number
19/105
National Pokédex
#139

Quick answers

How much is Dark Omastar (19/105) worth?
About $20.91 ungraded, at TCGplayer market prices on Nov 2, 2026.
What does Dark Omastar do?
Dark Omastar is a Water-type Stage 2 Pokémon with 70 HP that evolves from Dark Omanyte. Its attack Prehistoric Water costs 1 Energy: If your opponent has any evolved Pokémon in play, choose 1 of them and flip a coin. If heads, your opponent takes the highest Stage Evolution card on that Pokémon and shuffles it into his or her deck. Its attack Dark Tentacle costs 2 Energy and does 30 damage: During your opponent's next turn, the Defending Pokémon can't evolve except from effects of attacks or Pokémon Powers. (Benching that Pokémon ends this effect.)
Who illustrated Dark Omastar (19/105)?
Tomokazu Komiya illustrated Dark Omastar for Neo Destiny.

Prices: Scrydex, Nov 2, 2026. Card images are shown for identification. Card text: pokemontcg.io, Nov 7, 2026. We refresh this set's prices weekly and don't record daily history or pull odds for it yet.