Dominaria United

Cleaving Skyrider | Creature | Human Warrior | Flash Kicker {2}{R} (You may pay an additional {2}{R} as you cast this spell.) Flying When Cleaving Skyrider enters the battlefield, if it was kicked, it deals X damage to any target, where X is the number of attacking creatures. | Joshua Raphael

Hurloon Battle Hymn | Instant | | Kicker {W} (You may pay an additional {W} as you cast this spell.) Hurloon Battle Hymn deals 4 damage to target creature or planeswalker. If this spell was kicked, you gain 4 life. | Dominik Mayer

Baird, Argivian Recruiter | Legendary Creature | Human Soldier | At the beginning of your end step, if you control a creature with power greater than its base power, create a 1/1 white Soldier creature token. | Jarel Threat

Tori D'Avenant, Fury Rider | Legendary Creature | Human Knight | Vigilance, trample Whenever Tori D'Avenant, Fury Rider attacks, all other attacking creatures you control get +1/+1 until end of turn. Other red attacking creatures you control gain trample until end of turn Untap each other white attacking creature you control. | Anna Podedworna