TCGenius.aiPrehistoric Water (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 Tentacle (Water, Colorless) 30
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.)
Weakness: Grass ×2 · Resistance: none · Retreat: 2
Dark Omastar
Neo Destiny 19 · Pokémon · Stage 2 · HP 70 · Water · evolves from Dark Omanyte
StandardNot legal
Regulation marknone
RarityRare
Standard uses regulation marks H and later, plus identical reprints of legal cards.
Released February 28, 2002.
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Build with this card
The Pokémon deck builder checks every deck against the Standard rules, and Genny can build one around Dark Omastar.
Open the deck builder