The Brothers' War

Ambush Paratrooper | Creature | Human Soldier | Flash Flying {5}: Creatures you control get +1/+1 until end of turn. | Vladimir Krisetskiy

Phalanx Vanguard | Creature | Human Soldier | Vigilance Whenever an artifact enters the battlefield under your control, Phalanx Vanguard gets +1/+0 until end of turn. | Izzy

Powerstone Engineer | Creature | Human Artificer | When Powerstone Engineer dies, create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") | Dan Scott

Air Marshal | Creature | Human Soldier | {3}: Target Soldier gains flying until end of turn. | Johan Grenier

Fallaji Archaeologist | Creature | Human Scout | When Fallaji Archaeologist enters the battlefield, mill three cards. You may put a noncreature, nonland card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Fallaji Archaeologist. (To mill a card, put the top card of your library into your graveyard.) | Caroline Gariba

Gixian Infiltrator | Creature | Phyrexian Human | Whenever you sacrifice another permanent, put a +1/+1 counter on Gixian Infiltrator. | Peter Polach

Thraxodemon | Creature | Demon | {3}, {T}, Sacrifice another creature or artifact: Draw a card. | Nino Is

Dwarven Forge-Chanter | Creature | Dwarf Wizard | Ward—Pay 2 life. (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays 2 life.) Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Bartlomiej Gawel

Roc Hunter | Creature | Human Soldier | Reach | Ina Wong

Argothian Sprite | Creature | Faerie | Argothian Sprite can't be blocked by artifact creatures. {7}: Put two +1/+1 counters on Argothian Sprite. | Rudy Siswanto

Blanchwood Prowler | Creature | Elemental | When Blanchwood Prowler enters the battlefield, mill three cards. You may put a land card from among the cards milled this way into your hand. If you don't, put a +1/+1 counter on Blanchwood Prowler. (To mill a card, put the top card of your library into your graveyard.) | Justine Cruz

Tomakul Honor Guard | Creature | Human Soldier | Ward {2} (Whenever this creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {2}.) | Francisco Miyara

Coastal Bulwark | Artifact Creature | Wall | Defender Coastal Bulwark gets +2/+0 as long as you control an Island. {2}, {T}: Surveil 1. (Look at the top card of your library. You may put that card into your graveyard.) | Artur Nakhodkin

Scrapwork Mutt | Artifact Creature | Dog | When Scrapwork Mutt enters the battlefield, you may discard a card. If you do, draw a card. Unearth {1}{R} ({1}{R}: Return this card from your graveyard to the battlefield. It gains haste. Exile it at the beginning of the next end step or if it would leave the battlefield. Unearth only as a sorcery.) | Sidharth Chaturvedi

Mine Worker | Artifact Creature | Assembly-Worker | {T}: You gain 1 life. If you control creatures named Power Plant Worker and Tower Worker, you gain 3 life instead. | Raoul Vitale