
Bulwark Ox | Creature | Ox Mount | Whenever this creature attacks while saddled, put a +1/+1 counter on target creature.
Sacrifice this creature: Creatures you control with counters on them gain hexproof and indestructible until end of turn.
Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) | Brent Hollowell

Canyon Vaulter | Creature | Kor Pilot | Whenever this creature saddles a Mount or crews a Vehicle during your main phase, that Mount or Vehicle gains flying until end of turn. | David Astruga

Gloryheath Lynx | Creature | Cat Mount | Lifelink
Whenever this creature attacks while saddled, search your library for a basic Plains card, reveal it, put it into your hand, then shuffle.
Saddle 2 (Tap any number of other creatures you control with total power 2 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) | Deruchenko Alexander

Interface Ace | Artifact Creature | Robot Pilot | This creature saddles Mounts and crews Vehicles using its toughness rather than its power.
Whenever this creature becomes tapped during your turn, untap it. This ability triggers only once each turn. | Wonchun Choi

Leonin Surveyor | Creature | Cat Scout | Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
During your turn, this creature has first strike.
Max speed — {3}, Exile this card from your graveyard: Draw a card. | Valera Lutfullina

Sundial, Dawn Tyrant | Legendary Artifact Creature | Construct | | Bruce Brenneise

Mendicant Core, Guidelight | Legendary Artifact Creature | Robot | Mendicant Core's power is equal to the number of artifacts you control.
Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
Max speed — Whenever you cast an artifact spell, you may pay {1}. If you do, copy it. (The copy becomes a token.) | Zezhou Chen

Zahur, Glory's Past | Legendary Creature | Zombie Cat Warrior | Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
Sacrifice another creature: Surveil 1. Activate only once each turn.
Max speed — Whenever a nontoken creature you control dies, create a tapped 2/2 black Zombie creature token. | Leroy Steinmann

Cloudspire Coordinator | Creature | Human Pilot | When this creature enters, scry 2.
{T}: Create X 1/1 colorless Pilot creature tokens, where X is the number of Mounts and/or Vehicles that entered the battlefield under your control this turn. The tokens have "This token saddles Mounts and crews Vehicles as though its power were 2 greater." | Eduardo Francisco

Kolodin, Triumph Caster | Legendary Creature | Human Pilot | Mounts and Vehicles you control have haste.
Whenever a Mount you control enters, it becomes saddled until end of turn.
Whenever a Vehicle you control enters, it becomes an artifact creature until end of turn. | Michal Ivan

Lagorin, Soul of Alacria | Legendary Creature | Beast Mount | Flying
Whenever Lagorin attacks while saddled, put a +1/+1 counter on each of up to two target Mounts and/or Vehicles.
Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) | Mirko Failoni