"Northern Lights"

The "Northern Lights” series was first introduced in July 2007. The Series was a US only release.

They are Blue-Bordered cards, 72 total cards: 28 common cards, 17 rare cards, 10 energy cards and 17 foil cards. The central theme of this series is various legendary figures, mainly from Norse legends. However, various other legends from across the world are present as well.

Horses in Northern Lights
This list is based on the official U.S. checklist.
 * Balto
 * Bella
 * Bello
 * Bifrost
 * Bosi
 * Brisi
 * Charlie
 * Colour
 * Conall
 * Danu
 * Donn
 * Embarr
 * Fiona
 * Firewalker
 * Froya
 * Fylgie
 * Iceking
 * Iduna
 * Jewel
 * Jonas
 * Kelpie-Pooka
 * Lakehorse
 * Mandalay
 * Melusine
 * Misla
 * Mjolnir
 * Moonlight
 * Mystery
 * Ran
 * Rauni
 * Rhiannon
 * Rimfaxe
 * Saga
 * Signy
 * Skinfaxe
 * Skipper
 * Sleipnir
 * Sokki
 * Star
 * Thor
 * Thunder
 * Urd
 * Viking
 * Walter
 * Yasmin

Promo Cards
These are horses that were included in promo images or cards, but were never officially released in this particular series.
 * Brigid
 * Erinn
 * Lugh
 * Nuada

Large Cards
Northern Lights also included several mega-sized cards. These were released in special sets or with other merchandise.
 * Bella
 * Froya