March of the Machine

Seraph of New Capenna | Creature | Angel Soldier | Flying {4}{B/P}: Transform Seraph of New Capenna. Activate only as a sorcery. ({B/P} can be paid with either {B} or 2 life.) | Aaron J. Riley

Blightreaper Thallid | Creature | Fungus | {3}{G/P}: Transform Blightreaper Thallid. Activate only as a sorcery. ({G/P} can be paid with either {G} or 2 life.) | Marta Nael

Collective Nightmare | Instant | | 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.) Target creature gets -3/-3 until end of turn. | Rovina Cai

Compleated Huntmaster | Creature | Phyrexian Elf Warrior | {1}, {T}, Sacrifice another creature or artifact: 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.) | Alex Brock

Gift of Compleation | Enchantment | | When Gift of Compleation enters the battlefield, 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.) Whenever a Phyrexian you control dies, surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) | Artur Nakhodkin

Glistening Deluge | Sorcery | | All creatures get -1/-1 until end of turn. Creatures that are green and/or white get an additional -2/-2 until end of turn. | Anastasia Balakchina

Invasion of Eldraine // Prickle Faeries | Battle // Creature | Siege // Faerie | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Eldraine enters, target opponent discards two cards. // Flying At the beginning of each opponent's upkeep, if that player has two or fewer cards in hand, Prickle Faeries deals 2 damage to them. | Cristi Balanescu

Invasion of Ulgrotha | Battle | Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Ulgrotha enters the battlefield, it deals 3 damage to any other target and you gain 3 life. | Viko Menezes

Merciless Repurposing | Instant | | Exile target creature. 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.) | Artur Nakhodkin

Nezumi Freewheeler // Hideous Fleshwheeler | Creature // Creature | Rat Samurai // Phyrexian Rat | Menace When Nezumi Freewheeler enters, each player mills three cards. (To mill three cards, a player puts the top three cards of their library into their graveyard.) {5}{W/P}: Transform Nezumi Freewheeler. Activate only as a sorcery. ({W/P} can be paid with either {W} or 2 life.) // Menace (This creature can't be blocked except by two or more creatures.) When this creature transforms into Hideous Fleshwheeler, put target permanent card with mana value 2 or less from a graveyard onto the battlefield under your control. | Artur Nakhodkin

Phyrexian Gargantua | Creature | Phyrexian Horror | When Phyrexian Gargantua enters the battlefield, you draw two cards and you lose 2 life. | Kevin Sidharta

Render Inert | Sorcery | | Remove up to five counters from target permanent. Draw a card. | Yigit Koroglu

Scorn-Blade Berserker | Creature | Human Berserker | 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.) {1}, Sacrifice this creature: Draw a card. | Tuan Duong Chu

Herbology Instructor | Creature | Treefolk Druid | When Herbology Instructor enters the battlefield, you gain 3 life. {6}{B/P}: Transform Herbology Instructor. Activate only as a sorcery. ({B/P} can be paid with either {B} or 2 life.) | Sergey Glushakov

Invasion of New Capenna // Holy Frazzle-Cannon | Battle // Artifact | Siege // Equipment | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of New Capenna enters, you may sacrifice an artifact or creature. When you do, exile target artifact or creature an opponent controls. // Whenever equipped creature attacks, put a +1/+1 counter on that creature and each other creature you control that shares a creature type with it. Equip {1} | Diego Gisbert

Sculpted Perfection | Enchantment | | When Sculpted Perfection enters the battlefield, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Phyrexians you control get +1/+1. | Chris Seaman

Halo Forager | Creature | Faerie Rogue | Flying When Halo Forager enters the battlefield, you may pay {X}. When you do, you may cast target instant or sorcery card with mana value X from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. | Kevin Sidharta

Invasion of Amonkhet | Battle | Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Amonkhet enters the battlefield, each player mills three cards, then each opponent discards a card and you draw a card. (To mill three cards, a plaver buts the top three cards of their library into their graveyard.) | Jokubas Uogintas

Invasion of Azgol | Battle | Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Azgol enters the battlefield, target player sacrifices a creature or planeswalker and loses 1 life. | Joshua Raphael

Stormclaw Rager | Creature | Ogre Warrior | {1}, Sacrifice another creature or artifact: Put a +1/+1 counter on Stormclaw Rager and draw a card. Activate only as a sorcery. | Nicholas Elias

Elvish Vatkeeper | Creature | Phyrexian Elf | When Elvish Vatkeeper enters the battlefield, incubate 2. (Create an Incubator token with two +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) {5}: Transform target Incubator token you control. Double the number of +1/+1 counters on it. | Nicholas Gregory

Invasion of Lorwyn | Battle | Siege | (As a Siege enters, choose an opponent to protect it. You and others can attack it. When it's defeated, exile it, then cast it transformed.) When Invasion of Lorwyn enters the battlefield, destroy target non-Elf creature an opponent controls with power X or less, where X is the number of lands you control. | Dan Scott