Igglybuff (Cosmic Eclipse CEC 168)

Igglybuff — 60 HP — [C]
Basic

Ability: Sleepy Voice
Once during your turn (before your attack), you may flip a coin. If heads, your opponent’s Active Pokémon is now Asleep. If you use this Ability, your turn ends.

weakness:
resistance:
retreat: 0

Illus. Kagemaru Himeno
Cosmic Eclipse — 168/236 — Uncommon

It’s always practicing its singing because it wants to improve. Even when it’s asleep, it keeps singing in its dreams!