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

Faerie Mastermind | Creature | Faerie Rogue | Flash Flying Whenever an opponent draws their second card each turn, you draw a card. {3}{U}: Each player draws a card. | Joshua Raphael

Oracle of Tragedy | Creature | Human Wizard | When Oracle of Tragedy enters the battlefield or dies, choose one — • Draw a card, then discard a card. • Shuffle up to four target cards with mana value 3 or greater from your graveyard into your library. | Pavel Kolomeyets

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

Rona, Herald of Invasion // Rona, Tolarian Obliterator | Legendary Creature // Legendary Creature | Human Wizard // Phyrexian Wizard | Whenever you cast a legendary spell, untap Rona, Herald of Invasion. {T}: Draw a card, then discard a card. {5}{B/P}: Transform Rona. Activate only as a sorcery. ({B/P} can be paid with either {B} or 2 life.) // Trample Whenever a source deals damage to Rona, Tolarian Obliterator, that source's controller exiles a card from their hand at random. If it's a land card, you may put it onto the battlefield under your control. Otherwise, you may cast it without paying its mana cost. | Victor Adame Minguez

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

Skyclave Aerialist | Creature | Merfolk Scout | Flying {4}{G/P}: Transform Skyclave Aerialist. Activate only as a sorcery. ({G/P} can be paid with either {G} or 2 life.) | Michal Ivan

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

Khenra Spellspear // Gitaxian Spellstalker | Creature // Creature | Jackal Warrior // Phyrexian Jackal | Trample Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) {3}{U/P}: Transform Khenra Spellspear. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.) // Trample, ward {2}, prowess, prowess (Each instance of prowess triggers separately.) | Artur Nakhodkin

Marshal of Zhalfir | Creature | Human Knight | Other Knights you control get +1/+1. {W}{U}, {T}: Tap another target creature. | Darren Tan