Dominaria

Fervent Strike | Instant | | Target creature gets +1/+0 and gains first strike and haste until end of turn. | Winona Nelson

Radiating Lightning | Instant | | Radiating Lightning deals 3 damage to target player and 1 damage to each creature that player controls. | Suzanne Helmigh

Run Amok | Instant | | Target attacking creature gets +3/+3 and gains trample until end of turn. | Svetlin Velinov

Shivan Fire | Instant | | Kicker {4} (You may pay an additional {4} as you cast this spell.) Shivan Fire deals 2 damage to target creature. If this spell was kicked, it deals 4 damage instead. | Grzegorz Rutkowski