The Brothers' War

Mishra's Onslaught | Instant | | Choose one — • Create two 1/1 colorless Soldier artifact creature tokens. • Creatures you control get +2/+0 until end of turn. | Josu Hernaiz

Pyrrhic Blast | Instant | | As an additional cost to cast this spell, sacrifice a creature. Pyrrhic Blast deals damage equal to the sacrificed creature's power to any target. Draw a card. | Raf Kayupov

Unleash Shell | Instant | | Unleash Shell deals 5 damage to target creature or planeswalker and 2 damage to that permanent's controller. | Campbell White

Whirling Strike | Instant | | Target creature gets +2/+0 and gains first strike and trample until end of turn. | Aaron J. Riley