March of the Machine

Boon-Bringer Valkyrie | Creature | Angel Warrior | 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.) Flying, first strike, lifelink | Heonhwa Choe

Golden-Scale Aeronaut | Creature | Dwarf Pilot | 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.) Flying | Javier Charro

Infected Defector | Creature | Phyrexian Knight | When Infected Defector dies, 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.) | Nino Vecia

Knight-Errant of Eos | Creature | Human Knight | Convoke When Knight-Errant of Eos enters the battlefield, look at the top six cards of your library. You may reveal up to two creature cards with mana value X or less from among them, where X is the number of creatures that convoked Knight-Errant of Eos. Put the revealed cards into your hand, then shuffle. | Kevin Sidharta

Sunfall | Sorcery | | Exile all creatures. Incubate X, where X is the number of creatures exiled this way. (Create an Incubator token with X +1/+1 counters on it and "{2}: Transform this artifact." It transforms into a 0/0 Phyrexian artifact creature.) | Kasia 'Kafis' Zielińska

Essence of Orthodoxy | Creature | Phyrexian | Flying Whenever Essence of Orthodoxy or another Phyrexian enters the battlefield under your control, 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.) | Oriana Menendez

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

Djeru and Hazoret | Legendary Creature | Human God | As long as you have one or fewer cards in hand, Djeru and Hazoret has vigilance and haste. Whenever Djeru and Hazoret attacks, look at the top six cards of your library. You may exile a legendary creature card from among them. Put the rest on the bottom of your library in a random order. Until end of turn, you may cast the exiled card without paying its mana cost. | Matt Stewart

Quintorius, Loremaster | Legendary Creature | Elephant Cleric | Vigilance At the beginning of your end step, exile target noncreature, nonland card from your graveyard. Create a 3/2 red and white Spirit creature token. {1}{R}{W}, {T}, Sacrifice a Spirit: Choose target card exiled with Quintorius. You may cast that card this turn without paying its mana cost. If that spell would be put into a graveyard, put it on the bottom of its owner's library instead. | Lie Setiawan

Zurgo and Ojutai | Legendary Creature | Orc Dragon | Flying, haste Zurgo and Ojutai has hexproof as long as it entered the battlefield this turn. Whenever one or more Dragons you control deal combat damage to a player or battle, look at the top three cards of your library. Put one of them into your hand and the rest on the bottom of your library in any order. You may return one of those Dragons to its owner's hand. | Daarken

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