Outlaws of Thunder Junction

Dust Animus | Creature | Spirit | Flying If you control five or more untapped lands, Dust Animus enters the battlefield with two +1/+1 counters and a lifelink counter on it. Plot {1}{W} (You may pay {1}{W} and exile this card from your hand. Cast it as a sorcery on a later turn without paying its mana cost. Plot only as a sorcery.) | Uriah Voth

Frontier Seeker | Creature | Human Scout | When Frontier Seeker enters the battlefield, look at the top five cards of your library. You may reveal a Mount creature card or a Plains card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Raluca Marinescu

Omenport Vigilante | Creature | Human Mercenary | Omenport Vigilante has double strike as long as you've committed a crime this turn. (Targeting opponents, anything they control, and/or cards in their graveyards is a crime.) | Forrest Imel

Outlaw Medic | Creature | Human Rogue | Lifelink When Outlaw Medic dies, draw a card. | Nino Vecia

Prairie Dog | Creature | Squirrel | Lifelink At the beginning of your end step, if you haven't cast a spell from your hand this turn, put a +1/+1 counter on Prairie Dog. {4}{W}: Until end of turn, if you would put one or more +1/+1 counters on a creature you control, put that many plus one +1/+1 counters on it instead. | Kevin Sidharta

Sterling Keykeeper | Creature | Human Mercenary | {2}, {T}: Tap target non-Mount creature. | David Astruga

Trained Arynx | Creature | Cat Beast Mount | Whenever Trained Arynx attacks while saddled, it gains first strike until end of turn. Scry 1. (Look at the top card of your library. You may put that card on the bottom.) 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.) | Milivoj Ćeran

Taii Wakeen, Perfect Shot | Legendary Creature | Human Mercenary | Whenever a source you control deals noncombat damage to a creature equal to that creature's toughness, draw a card. {X}, {T}: If a source you control would deal noncombat damage to a permanent or player this turn, it deals that much damage plus X instead. | David Auden Nash

Miriam, Herd Whisperer | Legendary Creature | Human Druid | As long as it's your turn, Mounts and Vehicles you control have hexproof. Whenever a Mount or Vehicle you control attacks, put a +1/+1 counter on it. | Viko Menezes

Seraphic Steed | Creature | Unicorn Mount | First strike, lifelink Whenever Seraphic Steed attacks while saddled, create a 3/3 white Angel creature token with flying. Saddle 4 (Tap any number of other creatures you control with total power 4 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) | Jonas De Ro