March of the Machine

Elspeth's Smite | Instant | | Elspeth's Smite deals 3 damage to target attacking or blocking creature. If that creature would die this turn, exile it instead. | Livia Prima

Surge of Salvation | Instant | | You and permanents you control gain hexproof until end of turn. Prevent all damage that black and/or red sources would deal to creatures you control this turn. | Dominik Mayer

Artistic Refusal | Instant | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Choose one or both — • Counter target spell. • Draw two cards, then discard a card. | Olivier Bernard

Change the Equation | Instant | | Choose one — • Counter target spell with mana value 2 or less. • Counter target red or green spell with mana value 6 or less. | Alix Branwyn

Wicked Slumber | Instant | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Tap up to two target creatures. Put a stun counter on either of them. Then put a stun counter on either of them. (If a permanent with a stun counter would become untapped, remove one from it instead.) | Anato Finnstark

Collective Nightmare | Instant | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Target creature gets -3/-3 until end of turn. | Rovina Cai

Merciless Repurposing | Instant | | Exile target creature. Incubate 3. (Create an Incubator token with three +1/+1 counters on it and "{2}: Transform this artifact. It transforms into a 0/0 Phyrexian artifact creature.) | Artur Nakhodkin

Stoke the Flames | Instant | | Convoke (Your creatures can help cast this spell. Each creature you tap while casting this spell pays for {1} or one mana of that creature's color.) Stoke the Flames deals 4 damage to any target. | Liiga Smilshkalne

Tandem Takedown | Instant | | Up to two target creatures you control each get +1/+0 until end of turn. They each deal damage equal to their power to another target creature, planeswalker, or battle. | Yigit Koroglu