Omastar (Majestic Dawn MD 26)

Omastar — 110 HP — [W]
Stage 2 — Evolves from Omanyte

Poké-POWER: Primal Swirl
Once during your turn, when you play Omastar from your hand to evolve 1 of your Pokémon, you may remove the highest Stage Evolution card from each of your opponent’s Benched Evolved Pokémon and put those cards back into his or her hand. You can’t use more than 1 Primal Swirl Poké-Power each turn.

[W][C] Send Back: 40
Your opponent switches the Defending Pokémon with 1 of his or her Benched Pokémon.

weakness: [G]+30
resistance:
retreat: 1

Illus. Masakazu Fukuda
Majestic Dawn — 26/100 — Rare

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