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

Dusk Legion Duelist | Creature | Vampire Soldier | Vigilance Whenever one or more +1/+1 counters are put on Dusk Legion Duelist, draw a card. This ability triggers only once each turn. | Ryan Valle

Guardian of Ghirapur | Creature | Angel | Flying When Guardian of Ghirapur enters the battlefield, exile up to one other target creature or artifact you control. Return it to the battlefield under its owner's control at the beginning of the next end step. | Cynthia Sheppard

Heliod, the Radiant Dawn // Heliod, the Warped Eclipse | Legendary Enchantment Creature // Legendary Enchantment Creature | God // Phyrexian God | When Heliod, the Radiant Dawn enters, return target enchantment card that isn't a God from your graveyard to your hand. {3}{U/P}: Transform Heliod, the Radiant Dawn. Activate only as a sorcery. ({U/P} can be paid with either {U} or 2 life.) // You may cast spells as though they had flash. Spells you cast cost {1} less to cast for each card your opponents have drawn this turn. | Victor Adame Minguez

Invasion of Theros // Ephara, Ever-Sheltering | Battle // Legendary Enchantment Creature | Siege // God | (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 Theros enters, search your library for an Aura, God, or Demigod card, reveal it, put it into your hand, then shuffle. // Ephara, Ever-Sheltering has lifelink and indestructible as long as you control at least three other enchantments. Whenever another enchantment you control enters, draw a card. | Johan Grenier

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

Progenitor Exarch | Creature | Phyrexian Cat Cleric | When Progenitor Exarch enters the battlefield, incubate 3 X times. (To 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.) {T}: Transform target Incubator token you control. | Marie Magny

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

Polukranos Reborn // Polukranos, Engine of Ruin | Legendary Creature // Legendary Creature | Hydra // Phyrexian Hydra | Reach {6}{W/P}: Transform Polukranos Reborn. Activate only as a sorcery. ({W/P} can be paid with either {W} or 2 life.) // Reach, lifelink Whenever Polukranos, Engine of Ruin or another nontoken Hydra you control dies, create a 3/3 green and white Phyrexian Hydra creature token with reach and a 3/3 green and white Phyrexian Hydra creature token with lifelink. | David Auden Nash

Errant and Giada | Legendary Creature | Human Angel | Flash Flying You may look at the top card of your library any time. You may cast spells with flash or flying from the top of your library. | Cristi Balanescu

Drana and Linvala | Legendary Creature | Vampire Angel | Flying, vigilance Activated abilities of creatures your opponents control can't be activated. Drana and Linvala has all activated abilities of all creatures your opponents control. You may spend mana as though it were mana of any color to activate those abilities. | Raluca Marinescu

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

Ghalta and Mavren | Legendary Creature | Dinosaur Vampire | Trample Whenever you attack, choose one — • Create a tapped and attacking X/X green Dinosaur creature token with trample, where X is the greatest power among other attacking creatures. • Create X 1/1 white Vampire creature tokens with lifelink, where X is the number of other attacking creatures. | Zezhou Chen

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