March of the Machine

Archpriest of Shadows | Creature | Human Warlock | 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 abilities until end of turn.) Deathtouch Whenever this creature deals combat damage to a player or battle, return target creature card from your graveyard to the battlefield. | Fariba Khamseh

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

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

Sheoldred // The True Scriptures | Legendary Creature // Enchantment | Phyrexian Praetor // Saga | Menace When Sheoldred enters, each opponent sacrifices a nontoken creature or planeswalker. {4}{B}: Exile Sheoldred, then return it to the battlefield transformed under its owner's control. Activate only as a sorcery and only if an opponent has eight or more cards in their graveyard. // (As this Saga enters and after your draw step, add a lore counter.) I — For each opponent, destroy up to one target creature or planeswalker that player controls. II — Each opponent discards three cards, then mills three cards. III — Put all creature cards from all graveyards onto the battlefield under your control. Exile The True Scriptures, then return it to the battlefield (front face up). | Ryan Pancoast

Invasion of Tolvada // The Broken Sky | Battle // Enchantment | 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 Tolvada enters, return target nonbattle permanent card from your graveyard to the battlefield. // Creature tokens you control get +1/+0 and have lifelink. At the beginning of your end step, create a 1/1 white and black Spirit creature token with flying. | Henry Peters

Hidetsugu and Kairi | Legendary Creature | Ogre Demon Dragon | Flying When Hidetsugu and Kairi enters the battlefield, draw three cards, then put two cards from your hand on top of your library in any order. When Hidetsugu and Kairi dies, exile the top card of your library. Target opponent loses life equal to its mana value. If it's an instant or sorcery card, you may cast it without paying its mana cost. | Chris Rahn

Rankle and Torbran | Legendary Creature | Faerie Dwarf | Flying, first strike, haste Whenever Rankle and Torbran deals combat damage to a player or battle, choose any number — • Each player creates a Treasure token. • Each player sacrifices a creature. • If a source would deal damage to a player or battle this turn, it deals that much damage plus 2 instead. | Viko Menezes

Glissa, Herald of Predation | Legendary Creature | Phyrexian Zombie Elf | At the beginning of combat on your turn, choose one — • Incubate 2 twice. (To 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.) • Transform all Incubator tokens you control. • Phyrexians you control gain first strike and deathtouch until end of turn. | Cristi Balanescu

Invasion of Alara | Battle | Siege | When Invasion of Alara enters the battlefield, exile cards from the top of your library until you exile two nonland cards with mana value 4 or less. You may cast one of those two cards without paying its mana cost. Put one of them into your hand. Then put the other cards exiled this way on the bottom of your library in a random order. | Mathias Kollros

Omnath, Locus of All | Legendary Creature | Phyrexian Elemental | If you would lose unspent mana, that mana becomes black instead. At the beginning of your precombat main phase, look at the top card of your library. You may reveal that card if it has three or more colored mana symbols in its mana cost. If you do, add three mana in any combination of its colors and put it into your hand. If you don't reveal it, put it into your hand. | Bryan Sola