"Treasures"

The “Treasures” series was first introduced in March 2009. They are Turquoise bordered, 110 total cards: 55 common cards (5 common Treasures cards), 55 foil cards (5 foil Treasures cards).

The theme of this series is of course treasures! Each horse card features that horse's unique "treasure".

In French, this series was known as "Tresors Fabeleux," and in German it was known as "Schatzsuche."

Horses With a Herd
This list is based on the official U.S. checklist.
 * Amia
 * Bella
 * Bellisimo
 * Bello
 * Diamond
 * Dowager
 * Fiona
 * Gracie
 * Harmony
 * Jewel
 * Lien
 * Lukan
 * Mahina
 * Mireldis
 * Nike
 * Ondine
 * Oracle
 * Rodin
 * Rosebriar
 * Sophie
 * Star
 * Thunder
 * Treasure
 * Valkrist
 * Valor

Horses Without a Herd
This list is based on the official U.S. checklist.
 * Aheron
 * Ariadne
 * Cara
 * Clio
 * Epona
 * Empress
 * Firebright
 * Halloween
 * Hellevi
 * Honu
 * Icarus
 * King
 * Knight
 * Memory
 * Merrydancer
 * Mikiko
 * Nightingale
 * Parlez
 * Pepper
 * Peregrine
 * Rosamund
 * Sapphirine
 * Socorro
 * Tramontane

Promo Cards
These are horses that were included in promo images or cards, but were never officially released in this particular series.
 * Haruki
 * Lily