Pokémon · Pt4: Advent of Arceus

Omastar

French name: Amonistar

023/090Rare

Omastar (Pt4: Advent of Arceus 023/090) has a market price of US$3.50 as of Nov 9, 2026.

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Price guide

The market price on TCGplayer, in US dollars: a guide, not an offer.

Market price

1st EditionUS$3.50Low US$2.00

As of Nov 9, 2026 · The market price is TCGplayer’s, in US dollars. It is a guide, not an offer.

Card details

Type: Water
HP: 120
Energy type: Water
Stage: Stage 2
Weakness: Grass +30
Retreat cost: 1

Attacks

[Colorless] Time Spiral (Colorless) 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. [Colorless] Primal Tentacles (Water) 30+ Does 30 damage plus 10 more damage for each Helix Fossil, Dome Fossil, and Old Amber in your discard pile.

Flavour text

It is thought that this Pokémon became extinct because its spiral shell grew too large.

About this card

Omastar is card 023/090 in Pt4: Advent of Arceus, a Pokémon set released Jul 8, 2009. Rarity: Rare. Finishes: 1st Edition. Reference market price on Nov 9, 2026: US$3.50. The 1st Edition price did not change over the last 30 days. Source: TCGplayer market data via tcgcsv.com, updated daily. A reference price is not an offer.