Shellder (Fossil FO 54)

Shellder — 30 HP — [W]
Basic

[W] Supersonic
Flip a coin. If heads, the Defending Pokémon is now Confused.

[W] Hide in Shell
Flip a coin. If heads, prevent all damage done to Shellder during your opponent’s next turn. (Any other effects of attacks still happen.)

weakness: [L]×2
resistance:
retreat: 1

Illus. Mitsuhiro Arita
Fossil — 54/62 — Common

Its hard shell repels any kind of attack. It is vulnerable only when its shell is open.