Horde

Disclaimers: Your home faction will not require you to reach exalted in order to purchase their mounts. Additionally, mount prices may vary depending on your reputation and associated faction discounts.

Requirements
Exalted reputation must be obtained with the following factions:
Orgrimmar
Thunder Bluff
Undercity
Silvermoon City
Darkspear Trolls
The Mag'har
Netherwing
Cenarion Expedition
Sha'tari Skyguard
Wyrmrest Accord
Sons of Hodir
Kirin Tor (For Faction Discount, Not required for purchase)

The List

Faction Reputation Mounts
Orgrimmar; Durotar (6 Mounts, 264g)
Brown Wolf
Timber Wolf
Dire Wolf
Swift Brown Wolf
Swift Gray Wolf
Swift Timber Wolf

Thunder Bluff; Mulgore (5 Mounts, 256g)
Brown Kodo
Gray Kodo
Great Brown Kodo
Great White Kodo
Great Gray Kodo

Darkspear; Durotar (6 Mounts, 264g)
Emerald Raptor
Turquoise Raptor
Violet Raptor
Swift Blue Raptor
Swift Olive Raptor
Swift Orange Raptor

Undercity (5 Mounts, 184g)
Blue Skeletal Horse
Brown Skeletal Horse
Red Skeletal Horse
Green Skeletal Warhorse
Purple Skeletal Warhorse

Silvermoon; Eversong Woods (7 Mounts, 272g)
Blue Hawkstrider
Purple Hawkstrider
Red Hawkstrider
Black Hawkstrider
Swift Green Hawkstrider
Swift Purple Hawkstrider
Swift Pink Hawkstrider

Shadowmoon Valley (7 Mounts, 1100g)
Tawny Wind Rider
Blue Wind Rider
Green Wind Rider
Swift Yellow Wind Rider
Swift Red Wind Rider
Swift Green Wind Rider
Swift Purple Wind Rider

The Mag'har; Nagrand (8 Mounts, 544g)
Cobalt Talbuk
Silver Talbuk
White Talbuk
Tan Talbuk
Cobalt War Talbuk
Tan War Talbuk
White War Talbuk
Silver War Talbuk

Netherwing; Shadowmoon Valley (6 Mounts, 1200g)
Azure Netherwing Drake
Cobalt Netherwing Drake
Onyx Netherwing Drake
Purple Netherwing Drake
Veridian Netherwing Drake
Violet Netherwing Drake

Cenarion Expedition; Zangarmarsh (1 Mount, 1600g)
Cenarion War Hippogryph

Sha'tari Skyguard; Terokkar Forest (5 Mounts 800g)
Blue Nether Ray
Red Nether Ray
Green Nether Ray
Silver Nether Ray
Purple Nether Ray

Wyrmrest Accord; Dragonblight (1 Mount 1600g)
Red Drake

Sons of Hodir; Storm Peaks (2 Mounts, 8800g)
Ice Mammoth
Grand Ice Mammoth

Kirin Tor; Dalaran (4 Mounts, 18,200g & 200 Emblems of Heroism)
Armored Brown Bear
Armored Blue Wind Rider
Wooly Mammoth
Traveler’s Tundra Mammoth

PvP Mounts
Raider Bork; Orgrimmar (5 Mounts, 150 WSG, AV and AB Tokens)
Black War Kodo
Black War Wolf
Swift War Strider
Red Skeletal Warhorse
Black War Raptor

Jekyll Flandring; Alterac Mountains (1 Mount, 50 Alterac Valley Tokens)
Frostwolf Howler

Coreiel; Nagrand (2 Mounts, 170 Halaa Battle Tokens and 35 Halaa Research Tokens)
Dark Riding Talbuk
Dark War Talbuk

Stone Guard Mukar; Wintergrasp (1 Mount, 300 Stone Keeper Shards)
Black War Mammoth

Crafted Mounts
Engineering (1)
Mekgineer's Chopper

Achievement Mounts(7)
For the Horde
Black War Bear

Leading the Cavalry
Albino Drake

What A Long, Strange Trip It's Been
Violet Proto-Drake

Glory of the Hero
Red Proto-Drake

Glory of the Raider
Plagued Proto-Drake

Heroic: Glory of the Raider
Black Proto-Drake

Total Mounts: 80
Total Cost: Approx 35,084g

You will now need to get 20 more mounts from rare drops and other sources. Skip to Additions and Trades.


Additions and Trades

Any of the following mounts can also be included in your achievement.
Class Only Mounts
Dreadsteed (Warlock)
Felsteed (Warlock)
Charger (Alliance/Horde Paladin)
Warhorse (Alliance/Horde Paladin)
Acherus Deathcharger (Deathknight)
Winged Steed of the Ebon Blade (Deathknight)

Crafter Only Mounts
Flying Machine (Engineering)
Mechano-Hog (Engineering)
Turbo-Charged Flying Machine (Engineering)
Flying Carpet (Tailoring)
Magnificent Flying Carpet (Tailoring)

Dropped Mounts
Swift Zulian Tiger (High Priest Thekal - Zul'Gurub)
Swift Razzashi Raptor (Bloodlord Mandokir - Zul'Gurub)
Deathcharger (Baron Rivendare – Stratholme)
Blue Qiraji Resonating Crystal (Trash - Temple of Ahn'Qiraj)
Green Qiraji Resonating Crystal (Trash - Temple of Ahn'Qiraj)
Red Qiraji Resonating Crystal (Trash - Temple of Ahn'Qiraj)
Yellow Qiraji Resonating Crystal (Trash - Temple of Ahn'Qiraj)
Swift White Hawkstrider (Kael'thas Sunstrider - Magisters' Terrace Heroic)
Raven Lord (Anzu - Sethekk Halls Heroic)
Fiery Warhorse (Attumen the Huntsman – Karazhan)
White Polar Bear (Drop from Hyldnir Spoils - Gretta the Arbiter's Daily Quests)
Grand Black War Mammoth (Archavon - Vault of Archavon)
Ashes of Al'ar (Kael'thas Sunstrider - The Eye)
Green Proto-Drake ( Drop from Mysterious Egg - Revered with The Oracles)
Blue Proto-Drake (Skadi the Ruthless - Utgarde Pinacle)
Time-Lost Proto-Drake (Time-Lost Proto-Drake – Stormpeaks)
Bronze Drake (Infinite Corruptor - The Culling of Stratholme Heroic Timed Run)
Black Drake (Sarthaion - The Obsidian Sanctum (Kill with 3 drakes up)
Twilight Drake (Sarthaion - The Obsidian Sanctum Heroic (Kill with 3 drakes up)
Blue Drake (Drops from Alexstrasza's Gift - The Eye of Eternity)
Azure Drake (Drops from Alexstrasza's Gift - The Eye of Eternity Heroic)

Seasonal Dropped Mounts
Swift Brewfest Ram (Brewfest BRD Boss)
Great Brewfest Kodo (Brewfest BRD Boss)
The Horseman's Reins (Hallow’s End SM Boss)

Trading Card Game Mounts
Riding Turtle
Spectral Tiger
Swift Spectral Tiger
X-51 Nether Rocket
X-51 Nether Rocket X-TREME

Specialty Mounts
Swift Zhevra (Recruit-a-Friend Promo)
Big Blizzard Bear (Blizzcon 08)

Specialty Mounts No Longer Available
Swift Nether Drake (PvP Season)
Merciless Nether Drake (PvP Season)
Vengeful Nether Drake (PvP Season)
Brutal Nether Drake (PvP Season)
Amani War Bear (Zul Aman Timed Run)
Brewfest Ram (Brewfest Reward 07)
Black Qiraj Battle Tank (Ahn’Qiraj Gates Opening Event)

i knew there was a reason i wanted to grind rep in classic

ISO - Swift Spectral Tiger

ISO the one i can get for the most minimal effort and feel cool

ISO the one I can get for the most $ and feel stupid

http://www.bennlinger.com/mounts/

43/50 mounts

green proto imo