The Brothers' War

Loran, Disciple of History | Legendary Creature | Human Artificer | Whenever Loran, Disciple of History or another legendary creature enters the battlefield under your control, return target artifact card from your graveyard to your hand. | Cristi Balanescu

Thopter Architect | Creature | Human Artificer | Whenever an artifact enters the battlefield under your control, target creature gains flying until end of turn. | Michal Ivan

Obstinate Baloth | Creature | Beast | When Obstinate Baloth enters the battlefield, you gain 4 life. If a spell or ability an opponent controls causes you to discard Obstinate Baloth, put it onto the battlefield instead of putting it into your graveyard. | Chris Rahn

Yotian Tactician | Creature | Human Soldier | Other Soldiers you control get +1/+1. | Fariba Khamseh

Fallaji Vanguard | Creature | Human Soldier | First strike Whenever Fallaji Vanguard or another creature enters the battlefield under your control, target creature gets +2/+0 until end of turn. | Joshua Cairos

Battery Bearer | Creature | Human Artificer | Creatures you control have "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell." Whenever you cast an artifact spell with mana value 6 or greater, draw a card. | Edgar Sánchez Hidalgo

Skyfisher Spider | Creature | Spider | Reach When Skyfisher Spider enters the battlefield, you may sacrifice another creature. When you do, destroy target nonland permanent. When Skyfisher Spider dies, you may gain 1 life for each creature card in your graveyard. If you do, exile Skyfisher Spider from your graveyard. | Henry Peters