March of the Machine Commander

Creature — Human Knight

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Other Knights you control have horsemanship.

Herald of Hoofbeats

Unknown Event

Legendary Creature — Horse

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Commanders you control have horsemanship.
Partner (You can have two commanders if both have partner.)

The Dilu Horse

Legendary Creature — Human Gamer

Horsemanship
The Horizon Seeker gets +1/+1 for each different named keyword and ability word among permanents you control and instant or sorcery cards in your graveyard. (For example, flying, landfall, and scry count. Flavor words, like "Magical Tinkering", or game terms like "enchant creature" and "mana" do not.)

The Horizon Seeker

Legendary Creature — Human Soldier

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Whenever Lu Xun deals damage to an opponent, you may draw a card.

Lu Xun, Scholar General

Secret Lair Drop

Judge Gift Cards 2012

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Sacrifice Xiahou Dun: Return target black card from your graveyard to your hand. Activate only during your turn, before attackers are declared.

Xiahou Dun, the One-Eyed

Portal Three Kingdoms Promos

Legendary Creature — Human Soldier Warrior

Haste; horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Lu Bu, Master-at-Arms

Portal Three Kingdoms

Zhang Fei, Fierce Warrior

Liu Bei, Lord of Shu

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
When Guan Yu is put into your graveyard from the battlefield, you may shuffle Guan Yu into your library.

Guan Yu, Sainted Warrior

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Liu Bei gets +2/+2 as long as you control a permanent named Guan Yu, Sainted Warrior or a permanent named Zhang Fei, Fierce Warrior.

Creature — Human Soldier

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Shu Cavalry

Shu Elite Companions

Vigilance; horsemanship (This creature can't be blocked except by creatures with horsemanship.)

Shu General

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Whenever Zhao Zilong blocks, it gets +1/+1 until end of turn.

Zhao Zilong, Tiger General

Lu Meng, Wu General

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
When Sun Ce enters, you may return target creature to its owner's hand.

Sun Ce, Young Conquerer

Wu Elite Cavalry

Wu Light Cavalry

Creature — Human Soldier Scout

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
When this creature enters, look at target opponent's hand.

Wu Scout

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
When Cao Ren enters, you lose 3 life.

Cao Ren, Wei Commander

Wei Elite Companions

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Whenever this creature deals damage to an opponent, that player discards a card.

Wei Night Raiders

Wei Scout

Wei Strike Force

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Whenever Zhang He attacks, each other creature you control gets +1/+0 until end of turn.

Zhang He, Wei General

Creature — Human Barbarian Soldier

Barbarian General

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Whenever Ma Chao attacks alone, it can't be blocked this combat.

Ma Chao, Western Warrior

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
This creature can't block.

Yellow Scarves Cavalry

Yellow Scarves General

Horsemanship (This creature can't be blocked except by creatures with horsemanship.)
Each creature you control can't be blocked by more than one creature.