![Dark Omastar (Darkness, and to Light... No. 038)](https://static.tcgcollector.com/content/images/08/43/22/08432210da28a1d23c1820d00c55328c0a5473e7b1bd8f5c7dfa737a0ff334d2.jpg)
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0
Dark Pokémon
Stage 2
–
Evolves from
Dark Omanyte
![Water Water](https://static.tcgcollector.com/content/images/a6/d1/d1/a6d1d1d31a4470f019db8ea0132c41054cd8c35e295eb3b33d7c849225b7073e.png)
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.
![Water Water](https://static.tcgcollector.com/content/images/a6/d1/d1/a6d1d1d31a4470f019db8ea0132c41054cd8c35e295eb3b33d7c849225b7073e.png)
![Colorless Colorless](https://static.tcgcollector.com/content/images/98/fa/64/98fa649102fdbf170a2be997d5ecf2016b2f5f92f372213e9e642f7ed9332993.png)
Dark Tentacle
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.)