March of the Machine

Expedition Lookout | Creature | Merfolk Rogue | Defender As long as an opponent has eight or more cards in their graveyard, Expedition Lookout can attack as though it didn't have defender and it can't be blocked. | Johan Grenier

Furtive Analyst | Creature | Human Wizard | Vigilance {2}, {T}: Draw a card, then discard a card. | Marcela Bolívar

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

Oculus Whelp | Creature | Phyrexian Dragon | Flying As long as you control a transformed permanent, Oculus Whelp has "When Oculus Whelp dies, draw a card." | Donato Giancola

Order of the Mirror | Creature | Human Knight | {3}{W/P}: Transform Order of the Mirror. Activate only as a sorcery. ({W/P} can be paid with either {W} or 2 life.) | Andrew Mar

Preening Champion | Creature | Bird Knight | Flying When Preening Champion enters the battlefield, create a 1/1 blue and red Elemental creature token. | Alix Branwyn

Protocol Knight | Creature | Human Knight | When Protocol Knight enters the battlefield, tap target creature an opponent controls. Put a stun counter on that creature if you control another Knight. (If a permanent with a stun counter would become untapped, remove one from it instead.) | Volkan Baǵa

Saiba Cryptomancer | Creature | Moonfolk Ninja | Flash 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.) Hexproof | Aaron J. Riley

Thunderhead Squadron | Creature | Human Knight | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Flying | PINDURSKI

Tidal Terror | Creature | Octopus | Whenever Tidal Terror attacks, you may tap two other untapped creatures you control. If you do, Tidal Terror can't be blocked this turn. Islandcycling {2} ({2}, Discard this card: Search your library for an Island card, reveal it, put it into your hand, then shuffle.) | Nicholas Gregory

Aetherblade Agent | Creature | Human Rogue | Deathtouch {4}{U/P}: Transform Aetherblade Agent. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.) | Alexander Mokhov