No commander exists in these colours yet.
#Creature (25):
Akroan Horse (ths) 210 #top10k #Defender
Breaching Hippocamp (ths) 43 #Flash
Bronze Horse (leg) 276 #Trample
Calamity, Galloping Inferno (otj) 116 #top10k #Saddle #Haste
Chrome Steed (som) 142 #Metalcraft
Clockwork Steed (hml) 103
Cobbled Lancer (vow) 52
Cosmos Charger (khm) 342 #top10k #Flying #Flash #Foretell
Diamond Mare (m19) 231 #top10k
Dwarven Pony (hml) 70
Lightning Mare (m19) 151
Motivated Pony (ltc) 125 #top10k #Haste #Trample
Phantasmal Mount (ice) 88 #Flying
Phantom Steed (afc) 18 #top10k #Flash
Sacred Prey (mmq) 268
Surge Mare (m19) 77
Tarpan (ice) 267
Temur Charger (ktk) 153 #Morph
Thundering Mightmare (voc) 37 #top10k #Soulbond
Thundermare (por) 152 #Haste
Timbermare (plc) 140 #Haste #Echo
Vine Mare (m19) 207 #Hexproof
Wavebreak Hippocamp (thb) 310 #top10k
Workhorse (exo) 142
Zodiac Horse (ptk) 159 #Landwalk #Islandwalk
#Changelings (46):
Bloodline Pretender (khm) 235 #top10k #Changeling
Mistwalker (khm) 68 #Changeling #Flying
Guardian Gladewalker (khm) 174 #top10k #Changeling
Mistform Mask (ons) 94 #Enchant
Mistform Seaswift (lgn) 45 #Flying #Morph
Maskwood Nexus (khm) 240 #top1k
Blades of Velis Vel (lrw) 152 #Changeling
Amorphous Axe (mh1) 219 #Equip
Mistform Wakecaster (lgn) 48 #Flying
Moritte of the Frost (khm) 223 #top10k #Changeling
Realmwalker (khm) 188 #top1k #Changeling
Gladewalker Ritualist (khm) 392 #Changeling
Mistform Warchief (scg) 43
Mistform Sliver (lgn) 46
Mothdust Changeling (mor) 42 #top10k #Changeling
Runed Stalactite (lrw) 260 #Equip
War-Spike Changeling (mor) 112 #Changeling
Three Tree Mascot (blb) 251 #top10k #Changeling
Woodland Changeling (lrw) 242 #top10k #Changeling
Webweaver Changeling (mh1) 192 #Reach #Changeling
Mistform Mutant (ons) 95
Mistform Stalker (ons) 98
Game-Trail Changeling (mor) 123 #Trample #Changeling
Mistform Shrieker (ons) 96 #Flying #Morph
Turtleshell Changeling (lrw) 94 #Changeling
Littjara Glade-Warden (khm) 182 #Changeling
Mistform Dreamer (ons) 93 #Flying
Shapesharer (lrw) 85 #top10k #Changeling
Littjara Kinseekers (khm) 66 #Scry #Changeling
Changeling Titan (lrw) 200 #Champion #Changeling
Fire-Belly Changeling (lrw) 164 #Changeling
Formless Genesis (dsc) 34 #Retrace #Changeling
Mistform Skyreaver (ons) 97 #Flying
Chameleon Colossus (mor) 116 #top10k #Protection #Changeling
Mistform Wall (ons) 99
Barkform Harvester (blb) 243 #top10k #Reach #Changeling
Omo, Queen of Vesuva (m3c) 14 #top10k
Wings of Velis Vel (lrw) 97 #Changeling
Masked Vandal (khm) 184 #top10k #Changeling
Amoeboid Changeling (lrw) 51 #top10k #Changeling
Arachnoform (khm) 159 #Enchant
Taurean Mauler (mor) 109 #top1k #Changeling
Ego Erasure (lrw) 59 #Changeling
Universal Automaton (mh1) 235 #top10k #Changeling
Mistform Ultimus (lgn) 47
Changeling Berserker (lrw) 160 #Haste #Champion #Changeling
#Support (1):
The Spear of Leonidas (acr) 165 #top10k #Equip
#Non-commander-legal (5):
The Dilu Horse (da1) RG03d #top100 #Partner #Horsemanship
Gift Horse (ust) 183 #top100
Phobos (tacr) 5 #top100
Cinnamon, Seasoned Steed (da1) RA01 #top100
Lightning Colt (cmb1) 57 #top100
#r= gives the edhrec rank of the card; the lower the ranking, the more decks the card is played in.