Igglybuff (Wizards Black Star Promos 36)

Igglybuff — 30 HP — [C]
Baby — Evolves into Jigglypuff

If this Baby Pokémon is your Active Pokémon and your opponent announces an attack, your opponent flips a coin (before doing anything else). If tails, your opponent’s turn ends.

[C] Good Night Song
The Defending Pokémon is now Asleep.

weakness:
resistance:
retreat: 0

Illus. Kagemaru Himeno
Wizards Black Star Promos — 36 — Promo

Its extremely flexible and elastic body makes it bounce continuously—anytime, anywhere.