March of the Machine

Astral Wingspan | Enchantment | Aura | 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.) Enchant creature When Astral Wingspan enters the battlefield, draw a card. Enchanted creature gets +2/+2 and has flying. | Joseph Weston

Corruption of Towashi | Enchantment | | When Corruption of Towashi enters the battlefield, incubate 4. (Create an Incubator token with four +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Whenever a permanent you control transforms or a permanent enters the battlefield under your control transformed, you may draw a card. Do this only once each turn. | Artur Nakhodkin

Invasion of Arcavios // Invocation of the Founders | 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 Arcavios enters, search your library, graveyard, and/or outside the game for an instant or sorcery card you own, reveal it, and put it into your hand. If you search your library this way, shuffle. // Whenever you cast an instant or sorcery spell from your hand, you may copy that spell. You may choose new targets for the copy. | Dmitry Burmak

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

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

Tangled Skyline | Enchantment | | When Tangled Skyline enters the battlefield, you gain 5 life and incubate 5. (Create an Incubator token with five +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) Phyrexians you control have reach. | Martin de Diego Sádaba

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