The Brothers' War

Curate | Instant | | Surveil 2. (Look at the top two cards of your library, then put any number of them into your graveyard and the rest on top of your library in any order.) Draw a card. | Ryan Valle

Defabricate | Instant | | Choose one — • Counter target artifact or enchantment spell. If a spell is countered this way, exile it instead of putting it into its owner's graveyard. • Counter target activated or triggered ability. | Uriah Voth

Desynchronize | Instant | | Target nonland permanent's owner puts it on the top or bottom of their library. Scry 2. | Rovina Cai

Flow of Knowledge | Instant | | Draw a card for each Island you control, then discard two cards. | Tuan Duong Chu

Hurkyl's Final Meditation | Instant | | As long as it's not your turn, this spell costs {3} more to cast. Return all nonland permanents to their owner's hands. End the turn. (Exile all spells and abilities from the stack, including this card. The player whose turn it is discards down to their maximum hand size. Damage wears off, and "this turn" and "until end of turn" effects end.) | Nephelomancer

Machine Over Matter | Instant | | This spell costs {1} less to cast if you control an artifact creature. Return target nonland permanent to its owner's hand. | Tuan Duong Chu

Scatter Ray | Instant | | Counter target artifact or creature spell unless its controller pays {4}. | Awanqi (Angela Wang)

Stern Lesson | Instant | | Draw two cards, then discard a card. Create a tapped Powerstone token. (It's an artifact with "{T}: Add {C}. This mana can't be spent to cast a nonartifact spell.") | Lie Setiawan

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's Rebuff | Instant | | Choose one — • Counter target spell. • Tap up to two target creatures. | Josu Hernaiz