Shellos East Sea — 60 HP — [W]
Basic

[C] Ripple
Flip a coin. If heads, put 1 damage counter on each of your opponent’s Pokémon.

[W] Brine
Choose 1 of your opponent’s Pokémon that has any damage counters on it. This attack does 20 damage to that Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.)

weakness: [G]+10
resistance:
retreat: 1

Illus. Tomokazu Komiya
Rising Rivals — 79/111 — Common

Beware of pushing strongly on its squishy body, as it makes a mysterious purple fluid ooze out.

Shellos East Sea — 60 HP — [W]
Basic

[C] Surf: 10

[W][C] Muddy Water: 20
Does 10 damage to 1 of your opponent’s Benched Pokémon. (Don’t apply Weakness and Resistance for Benched Pokémon.)

weakness: [L]+10
resistance:
retreat: 2

Illus. Midori Harada
Majestic Dawn — 73/100 — Common

It lives along bodies of water. Its body shape changed to suit its habitat.

Shellos East Sea — 60 HP — [W]
Basic

[C] Shell Hunting
Search your deck for up to 2 in any combination of Shellos West Sea and Shellos East Sea and put them on your Bench. Shuffle your deck afterward.

[W] Sprinkle Water: 10

weakness: [L]+10
resistance:
retreat: 2

Illus. Ken Sugimori
Secret Wonders — 106/132 — Common

Its colors and shapes differ from region to region. In the Sinnoh region, two types are confirmed.