Description, catalog fields, rules text, and how it plays—in one place.
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It is thought that this Pokémon became extinct because its spiral shell grew too large.
Abilities, attacks, weakness & resistance
Choose 1 of your opponent's Evolved Pokémon. Remove the highest Stage Evolution card from that Pokémon and have your opponent shuffle that card into his or her deck.
Does 30 damage plus 10 more damage for each Helix Fossil, Dome Fossil, and Old Amber in your discard pile.
Other cards from Arceus
Tangrowth LV.X (Holofoil)
Salamence LV.X (Holofoil)
Gengar LV.X (Holofoil)
Arceus LV.X (Holofoil)
Arceus LV.X (Holofoil)
Arceus LV.X (Holofoil)
Helix Fossil (Reverse Holofoil)
Helix Fossil
Dome Fossil (Reverse Holofoil)
Dome Fossil
Ultimate Zone (Reverse Holofoil)
Ultimate Zone
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Omastar (pl4-23) is a Water-type Stage 2 Pokémon from the Arceus expansion with Rare rarity. Its Time Spiral attack can force the opponent to remove the highest Evolution card from one of their Evolved Pokémon and shuffle it into their deck, and its Primal Tentacles deals 30 plus additional damage based on specific Fossil cards in your discard pile. Omastar is a Stage 2 Pokémon evolving from Omanyte introduced as a fossil species.
Catalog pricing data as of 28 Apr 2026, 13:05