What is Happiny's Pokédex number?

Happiny's Pokédex number is 440. It is known as the Playhouse Pokémon and is a Normal-type.

What does the "Baby Evolution" Poké-POWER do?

The "Baby Evolution" Poké-POWER allows you to evolve Happiny into Chansey from your hand during your turn, before your attack, and removes all damage counters from Happiny.

Who illustrated this Happiny card?

This Happiny card was illustrated by Yuka Morii, known for her distinctive clay-sculpted art style.

What is the weakness of this Happiny card?

This Happiny card has a weakness to Fighting-type Pokémon, with a +10 modifier.

Is this Happiny card considered rare?

This Happiny card is a common rarity, indicated by the circle symbol, making it relatively easy to find compared to holographic or ultra rare cards from the set.

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Happiny — Mysterious Treasures Pokémon card

HappinyMysterious Treasures #52 Pokémon Card

Mysterious Treasures·#52·2007

Happiny, the beloved Playhouse Pokémon, is a Normal-type baby Pokémon introduced in Generation IV, forming part of the iconic Chansey and Blissey evolution line, revered for its nurturing nature. This specific card, #52/123 from the 2007 Mysterious Treasures set, is a common variant notable for its unique "Baby Evolution" Poké-POWER and distinctive clay-sculpted artwork. Here, visitors will discover Happiny's enchanting Pokédex lore, its card mechanics including its "Baby Evolution" and "Lively" attack with energy costs, its weakness, and a comprehensive history of this edition.

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Card Number: #52
Release Date: August 21, 2007
Language: EN
Set Code: mt

Happiny, the Playhouse Pokémon, is a Normal-type baby Pokémon introduced in Generation IV. It is the pre-evolution of Chansey and Blissey, forming a unique three-stage evolutionary line known for its nurturing and healing abilities. Happiny is characterized by its small, pink, egg-shaped body and the egg-shaped rock it carries, mimicking its evolved form Chansey. In the Sinnoh region, Happiny are often found in open fields and near human settlements, where they can observe and learn from caregivers. Their diet primarily consists of berries and small, soft foods, reflecting their gentle nature. In the games, Happiny often requires a specific item (the Oval Stone) and a particular time of day (daytime) to evolve into Chansey, highlighting its unique evolutionary method. In the anime, Brock famously obtains a Happiny, which he carries in an egg-shaped pouch, further emphasizing its playful and adorable demeanor. Happiny embodies themes of care, innocence, and preparation for future responsibilities, making it a beloved figure in the Pokémon world. Its connection to Chansey and Blissey, both iconic healing Pokémon, solidifies its place in the franchise's lore.

Last updated: April 11, 2026