March of the Machine

Golden-Scale Aeronaut | Creature | Dwarf Pilot | Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) Flying | Javier Charro

Infected Defector | Creature | Phyrexian Knight | When Infected Defector dies, incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) | Nino Vecia

Halo-Charged Skaab | Creature | Zombie | When Halo-Charged Skaab enters the battlefield, each player mills two cards. Then you may put an instant, sorcery, or battle card from your graveyard on top of your library. (To mill two cards, a player puts the top two cards of their library into their graveyard.) | Igor Kieryluk

Etched Host Doombringer | Creature | Phyrexian Demon | When Etched Host Doombringer enters the battlefield, choose one — • Target opponent loses 2 life and you gain 2 life. • Choose target battle. If an opponent protects it, remove three defense counters from it. Otherwise, put three defense counters on it. | Helge C. Balzer

Failed Conversion | Enchantment | Aura | Enchant creature Enchanted creature gets -4/-4. When enchanted creature dies, surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) | Jodie Muir

Onakke Javelineer | Creature | Ogre Spirit | Reach {T}: Onakke Javelineer deals 2 damage to target player or battle. | Joseph Weston

Bonded Herdbeast | Creature | Beast | {4}{R/P}: Transform Bonded Herdbeast. Activate only as a sorcery. ({R/P} can be paid with either {R} or 2 life.) | Jokubas Uogintas

Wildwood Escort | Creature | Elf Warrior | When Wildwood Escort enters the battlefield, return target creature or battle card from your graveyard to your hand. If Wildwood Escort would die, exile it instead. | Taras Susak