Pioneer Masters

Martial Glory | Instant | | Target creature gets +3/+0 until end of turn. Target creature gets +0/+3 until end of turn. | Raymond Swanland

Aurelia's Fury | Instant | | Aurelia's Fury deals X damage divided as you choose among any number of targets. Tap each creature dealt damage this way. Players dealt damage this way can't cast noncreature spells this turn. | Tyler Jacobson

Wear // Tear | Instant // Instant | | Destroy target artifact. Fuse (You may cast one or both halves of this card from your hand.) // Destroy target enchantment. Fuse (You may cast one or both halves of this card from your hand.) | Ryan Pancoast

Counterflux | Instant | | This spell can't be countered. Counter target spell you don't control. Overload {1}{U}{U}{R} (You may cast this spell for its overload cost. If you do, change "target" in its text to "each.") | Adrián Rodríguez Pérez

Steam Augury | Instant | | Reveal the top five cards of your library and separate them into two piles. An opponent chooses one of those piles. Put that pile into your hand and the other into your graveyard. | Dave Kendall

Turn | Instant | | Until end of turn, target creature loses all abilities and becomes a red Weird with base power and toughness 0/1. Fuse (You may cast one or both halves of this card from your hand.) | Ryan Barger

Destructive Revelry | Instant | | Destroy target artifact or enchantment. Destructive Revelry deals 2 damage to that permanent's controller. | Kev Walker