March of the Machine

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

Mirror-Shield Hoplite | Creature | Human Soldier | Vigilance Whenever a creature you control becomes the target of a backup ability, copy that ability. You may choose new targets for the copy. This ability triggers only once each turn. | Alex Brock

Botanical Brawler | Creature | Elemental Warrior | Trample Botanical Brawler enters the battlefield with two +1/+1 counters on it. Whenever one or more +1/+1 counters are put on another permanent you control, if it's the first time +1/+1 counters have been put on that permanent this turn, put a +1/+1 counter on Botanical Brawler. | Jesper Ejsing

Halo Forager | Creature | Faerie Rogue | Flying When Halo Forager enters the battlefield, you may pay {X}. When you do, you may cast target instant or sorcery card with mana value X from a graveyard without paying its mana cost. If that spell would be put into a graveyard, exile it instead. | Kevin Sidharta

Joyful Stormsculptor | Creature | Human Shaman | When Joyful Stormsculptor enters the battlefield, create two 1/1 blue and red Elemental creature tokens. Whenever you cast a spell that has convoke, Joyful Stormsculptor deals 1 damage to each opponent and each battle they protect. | Christina Kraus

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

Stormclaw Rager | Creature | Ogre Warrior | {1}, Sacrifice another creature or artifact: Put a +1/+1 counter on Stormclaw Rager and draw a card. Activate only as a sorcery. | Nicholas Elias

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

Rampaging Geoderm | Creature | Dinosaur Beast | Trample, haste Whenever you attack, target attacking creature gets +1/+1 until end of turn. If it's attacking a battle, put a +1/+1 counter on it instead. | Randy Vargas