"Northern Lights"

The "Northern Lights” series was first introduced in July of 2007 and was a U.S. only release.

Appearance
"Northern Lights" cards are light blue cards with dark blue square symbols along the card border and feature horses named from Norse and Celtic mythological figures.

There are a total of 76 cards: 28 common cards, 17 rare cards, 10 energy cards, 17 foil cards, and 4 promo cards.

Common Cards

 * 1/55 Bosi
 * 2/55 Brisi
 * 3/55 Charlie
 * 4/55 Colour
 * 5/55 Danu
 * 6/55 Donn
 * 7/55 Embarr
 * 8/55 Firewalker
 * 9/55 Fylgie
 * 10/55 Iduna
 * 11/55 Kelpie-Pooka
 * 12/55 Mandalay
 * 13/55 Mjolnir
 * 14/55 Moonlight
 * 15/55 Mystery
 * 16/55 Rauni
 * 17/55 Rhiannon
 * 18/55 Rimfaxe
 * 19/55 Saga
 * 20/55 Skipper
 * 21/55 Sleipnir
 * 22/55 Sokki
 * 23/55 Star
 * 24/55 Thor
 * 25/55 Urd
 * 26/55 Viking
 * 27/55 Walter
 * 28/55 Yasmin

Rare Cards

 * 29/55 Balto
 * 30/55 Bella
 * 31/55 Bello
 * 32/55 Bifrost
 * 33/55 Conall
 * 34/55 Fiona
 * 35/55 Froya
 * 36/55 Iceking
 * 37/55 Jewel
 * 38/55 Jonas
 * 39/55 Lakehorse
 * 40/55 Melusine
 * 41/55 Misla
 * 42/55 Ran
 * 43/55 Signy
 * 44/55 Skinfaxe
 * 45/55 Thunder

Energy Cards

 * 46/55 Antique Flowerpot
 * 47/55 Anvil & Hammer
 * 48/55 Horseshoe Water Fountain
 * 49/55 Lawn Gnome
 * 50/55 Lilac Gazebo
 * 51/55 Primrose Lamppost
 * 52/55 Weathervane
 * 53/55 Shade Tree
 * 54/55 Winged Horse Statue
 * 55/55 Wishing Well

Shiny Cards

 * S1/17 Balto
 * S2/17 Bella
 * S3/17 Bello
 * S4/17 Bifrost
 * S5/17 Conall
 * S6/17 Fiona
 * S7/17 Froya
 * S8/17 Iceking
 * S9/17 Jewel
 * S10/17 Jonas
 * S11/17 Lakehorse
 * S12/17 Melusine
 * S13/17 Misla
 * S14/17 Ran
 * S15/17 Signy
 * S16/17 Skinfaxe
 * S17/17 Thunder

Promo Cards
These are horses that were included in promotional events, merchandise, etc. and can not be found in regular booster packs.
 * P1/4 Brigid
 * P2/4 Erinn
 * P3/4 Lugh
 * P4/4 Nuada

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