The Brothers' War

Harbin, Vanguard Aviator | Legendary Creature | Human Soldier | Flying Whenever you attack with five or more Soldiers, creatures you control get +1/+1 and gain flying until end of turn. | Kieran Yanner

Urza, Lord Protector | Legendary Creature | Human Artificer | Artifact, instant, and sorcery spells you cast cost {1} less to cast. {7}: If you both own and control Urza, Lord Protector and an artifact named The Mightstone and Weakstone, exile them, then meld them into Urza, Planeswalker. Activate only as a sorcery. | Ryan Pancoast

Urza, Prince of Kroog | Legendary Creature | Human Artificer | Artifact creatures you control get +2/+2. {6}: Create a token that's a copy of target artifact you control, except it's a 1/1 Soldier creature in addition to its other types. | Joshua Raphael

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

Hero of the Dunes | Creature | Human Soldier | When Hero of the Dunes enters the battlefield, return target artifact or creature card with mana value 3 or less from your graveyard to the battlefield. Creatures you control with mana value 3 or less get +1/+0. | Taras Susak

Legions to Ashes | Sorcery | | Exile target nonland permanent an opponent controls and all tokens that player controls with the same name as that permanent. | Artur Nakhodkin

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

Queen Kayla bin-Kroog | Legendary Creature | Human Noble | {4}, {T}: Discard all the cards in your hand, then draw that many cards. You may choose an artifact or creature card with mana value 1 you discarded this way, then do the same for artifact or creature cards with mana values 2 and 3. Return those cards to the battlefield. Activate only as a sorcery. | Cristi Balanescu

Yotian Dissident | Creature | Human Artificer | Whenever an artifact enters the battlefield under your control, put a +1/+1 counter on target creature you control. | Steve Prescott

Tocasia, Dig Site Mentor | Legendary Creature | Human Artificer | Creatures you control have vigilance and "{T}: Surveil 1." (To surveil 1, look at the top card of your library. You may put that card into your graveyard.) {2}{G}{G}{W}{W}{U}{U}, Exile Tocasia, Dig Site Mentor from your graveyard: Return any number of target artifact cards with total mana value 10 or less from your graveyard to the battlefield. Activate only as a sorcery. | Lie Setiawan