Dominaria

Ancient Animus | Instant | | Put a +1/+1 counter on target creature you control if it's legendary. Then it fights target creature an opponent controls. (Each deals damage equal to its power to the other.) | Titus Lunter

Arbor Armament | Instant | | Put a +1/+1 counter on target creature. That creature gains reach until end of turn. | Bayard Wu

Gift of Growth | Instant | | Kicker {2} (You may pay an additional {2} as you cast this spell.) Untap target creature. It gets +2/+2 until end of turn. If this spell was kicked, that creature gets +4/+4 until end of turn instead. | YW Tang

Pierce the Sky | Instant | | Pierce the Sky deals 7 damage to target creature with flying. | Slawomir Maniak