Sleipnir

Draft Sleipnir face up. No other players may
draft Norse Horses. After drafting, you may choose
to add all undrafted Norse Horses to your deck.
Trample, Vigilance, Cascade.
When Sleipnir enters or exits the battlefield, give all Norse Horses the abilities of all other Norse Horses.
"NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE HORSE NORSE"