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

Captive Weird | Creature | Weird | Defender {3}{R/P}: Transform Captive Weird. Activate only as a sorcery. ({R/P} can be paid with either {R} or 2 life.) | Manuel Castañón

Omen Hawker | Creature | Cephalid Advisor | {T}: Add {C}{U}. Spend this mana only to activate abilities. | Josh Hass

Scorn-Blade Berserker | Creature | Human Berserker | Backup 1 (When this creature enters the battlefield, put a +1/+1 counter on target creature. If that's another creature, it gains the following ability until end of turn.) {1}, Sacrifice this creature: Draw a card. | Tuan Duong Chu

Lithomantic Barrage | Sorcery | | This spell can't be countered. Lithomantic Barrage deals 1 damage to target creature or planeswalker. It deals 5 damage instead if that target is white and/or blue. | Viko Menezes