My horse commander deck isn't budget friendly but you can make a budget friendly 5 color pure horse commander deck and make all your horses get +16 attack when you attack with MTG Commander Deck EDH Deck Amy Rose 100 Magic Cards Custom Deck Boros Moonveil Games EDH Unicorn Deck Commander MTG Magic the Gathering Shadowfax, Lord of Horses Deck for Magic: the Gathering Amazon.com: HEAKIERG Black Horse Card Deck Box Organizer, 100+ Sleeved Cards Deck Case For Trading Cards, Leather Magnetic Closure Commander Deck Box Holds Magnetic Card Storage Box Fits for MTG TCG CCG : Rules Text: Horsemanship, 41 cards Magic: The Gathering