Haystack

{2}, {T}: Target creature you control phases out. (Treat it and anything attached to it as though they don't exist until your next turn.)

Liu Bei, Lord of Shu

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.

Rolling Earthquake

Rolling Earthquake deals X damage to each creature without horsemanship and each player.

Rally the Troops

Cast this spell only during the declare attackers step and only if you've been attacked this step.
Untap all creatures you control.

Yuan Shao, the Indecisive

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.

Ebony Horse

{2}, {T}: Untap target attacking creature you control. Prevent all combat damage that would be dealt to and dealt by that creature this turn.

Spitemare

Whenever this creature is dealt damage, it deals that much damage to any target.

Lu Bu, Master-at-Arms

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

Zhao Zilong, Tiger 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.

Outflank

Outflank deals damage to target attacking or blocking creature equal to the number of creatures you control.

Akroan Horse

Defender
When this creature enters, an opponent gains control of it.
At the beginning of your upkeep, each opponent creates a 1/1 white Soldier creature token.

Legion's Judgment

Destroy target creature with power 4 or greater.

Armored Warhorse

Yellow Scarves Cavalry

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

Ma Chao, Western Warrior

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

Shadowfax, Lord of Horses

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.

Shared Triumph

As this enchantment enters, choose a creature type.
Creatures of the chosen type get +1/+1.

Guan Yu's 1,000-Li March

Progenitor's Icon

As this artifact enters, choose a creature type.
{T}: Add one mana of any color.
{T}: The next spell of the chosen type you cast this turn can be cast as though it had flash.

Barbarian General

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

Shu Elite Companions

Konda's Banner

Konda's Banner can be attached only to a legendary creature.
Creatures that share a color with equipped creature get +1/+1.
Creatures that share a creature type with equipped creature get +1/+1.
Equip {2}

Riding Red Hare

Target creature gets +3/+3 and gains horsemanship until end of turn. (It can't be blocked except by creatures with horsemanship.)

False Defeat

Return target creature card from your graveyard to the battlefield.

Shu Cavalry

Shu General

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

Zhang Fei, Fierce Warrior

Yellow Scarves General

Jandor's Saddlebags

Mesa Unicorn

Lifelink (Damage dealt by this creature also causes you to gain that much life.)

Sisay's Ring

Guan Yu, Sainted Warrior

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.