March of the Machine

Blighted Burgeoning | Enchantment | Aura | Enchant land When Blighted Burgeoning enters the battlefield, 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.) Whenever enchanted land is tapped for mana, its controller adds an additional one mana of any color. | Piotr Foksowicz

Kami of Whispered Hopes | Creature | Spirit | If one or more +1/+1 counters would be put on a permanent you control, that many plus one +1/+1 counters are put on that permanent instead. {T}: Add X mana of any one color, where X is Kami of Whispered Hopes's power. | Filipe Pagliuso

Overgrown Pest | Creature | Pest | When Overgrown Pest enters the battlefield, look at the top five cards of your library. You may reveal a land or double-faced card from among them and put that card into your hand. Put the rest on the bottom of your library in a random order. | Eelis Kyttanen

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

Sandstalker Moloch | Creature | Lizard | Flash When Sandstalker Moloch enters the battlefield, if an opponent cast a blue and/or black spell this turn, look at the top four cards of your library. You may reveal a permanent card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. | Donato Giancola

Serpent-Blade Assailant | Creature | Elf 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 ability until end of turn.) Deathtouch | Durion

Tandem Takedown | Instant | | Up to two target creatures you control each get +1/+0 until end of turn. They each deal damage equal to their power to another target creature, planeswalker, or battle. | Yigit Koroglu

Tribute to the World Tree | Enchantment | | Whenever a creature enters the battlefield under your control, draw a card if its power is 3 or greater. Otherwise, put two +1/+1 counters on it. | Kristina Carroll

War Historian | Creature | Human Monk | Reach War Historian has indestructible as long as it attacked a battle this turn. | Ryan Valle

Wrenn and Realmbreaker | Legendary Planeswalker | Wrenn | Lands you control have "{T}: Add one mana of any color." +1: Up to one target land you control becomes a 3/3 Elemental creature with vigilance, hexproof, and haste until your next turn. It's still a land. −2: Mill three cards. You may put a permanent card from among the milled cards into your hand. −7: You get an emblem with "You may play lands and cast permanent spells from your graveyard." | Cristi Balanescu

Mutagen Connoisseur | Creature | Vedalken Mutant | Flying, vigilance Mutagen Connoisseur gets +1/+0 for each transformed permanent you control. | Alex Brock

Elvish Vatkeeper | Creature | Phyrexian Elf | When Elvish Vatkeeper enters the battlefield, 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.) {5}: Transform target Incubator token you control. Double the number of +1/+1 counters on it. | Nicholas Gregory

Zimone and Dina | Legendary Creature | Human Dryad | Whenever you draw your second card each turn, target opponent loses 2 life and you gain 2 life. {T}, Sacrifice another creature: Draw a card. You may put a land card from your hand onto the battlefield tapped. If you control eight or more lands, repeat this process once. | Lie Setiawan