The Brothers' War

Involuntary Cooldown | Sorcery | | Tap up to two target artifacts and/or creatures. Put two stun counters on each of them. (If a permanent with a stun counter would become untapped, remove one from it instead.) | Eelis Kyttanen

Lat-Nam Adept | Creature | Human Wizard | Whenever you draw your second card each turn, put a +1/+1 counter on Lat-Nam Adept. | Zara Alfonso

Mightstone's Animation | Enchantment | Aura | Enchant artifact When Mightstone's Animation enters the battlefield, draw a card. Enchanted artifact is a creature with base power and toughness 4/4 in addition to its other types. | Igor Kieryluk

Retrieval Agent | Creature | Human Soldier | {2}: Retrieval Agent gets +1/-1 until end of turn. | Vladimir Krisetskiy

Take Flight | Enchantment | Aura | Enchant creature Enchanted creature gets +1/+0 and has flying and "Whenever this creature attacks, draw a card." | Joshua Cairos

Urza's Command | Instant | | Choose two — • Creatures you don't control get -2/-0 until end of turn. • Create a tapped Powerstone token. • Create a tapped 0/0 colorless Construct artifact creature token with "This creature gets +1/+1 for each artifact you control." • Scry 1, then draw a card. | Dominik Mayer

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

Saheeli, Filigree Master | Legendary Planeswalker | Saheeli | +1: Scry 1. You may tap an untapped artifact you control. If you do, draw a card. −2: Create two 1/1 colorless Thopter artifact creature tokens with flying. They gain haste until end of turn. −4: You get an emblem with "Artifact creatures you control get +1/+1" and "Artifact spells you cast cost {1} less to cast." | Aurore Folny

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

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