
Horses you control have haste. (They can attack and {T} as soon as they come under your control.)
Whenever Shadowfax attacks, you may put a creature card with lesser power from your hand onto the battlefield tapped and attacking.
Shadowfax, Lord of Horses has 2 printings, first in The Lord of the Rings: Tales of Middle-earth (2023). EDHREC ranks it #12,615 among Commander cards. It appears most in Jandor, Fortuned Traveler decks (604 on EDHREC). It has 5 official rulings.
Deck counts from EDHREC.
Cards that show up in the same decks on EDHREC.