Arc Trail

Arc Trail deals 2 damage to any target and 1 damage to another target.

Goblin Shortcutter

When Goblin Shortcutter enters, target creature can't block this turn.

Whenever you cast a noncreature spell, Firebrand Archer deals 1 damage to each opponent.

Flying (This creature can't be blocked except by creatures with flying or reach.)
{R}: Shivan Dragon gets +1/+0 until end of turn.

Whenever Borderland Marauder attacks, it gets +2/+0 until end of turn.

Haste (This creature can attack and {T} as soon as it comes under your control.)

When Viashino Pyromancer enters, it deals 2 damage to target player or planeswalker.