Oath of the Gatewatch

Brute Strength | Instant | | Target creature gets +3/+1 and gains trample until end of turn. | Wayne Reynolds

Oath of Chandra | Legendary Enchantment | | When Oath of Chandra enters the battlefield, it deals 3 damage to target creature an opponent controls. At the beginning of each end step, if a planeswalker entered the battlefield under your control this turn, Oath of Chandra deals 2 damage to each opponent. | Wesley Burt

Sparkmage's Gambit | Sorcery | | Sparkmage's Gambit deals 1 damage to each of up to two target creatures. Those creatures can't block this turn. | Mathias Kollros

Tears of Valakut | Instant | | This spell can't be countered. Tears of Valakut deals 5 damage to target creature with flying. | Noah Bradley

Zada's Commando | Creature | Goblin Archer Ally | First strike Cohort — {T}, Tap an untapped Ally you control: Zada's Commando deals 1 damage to target opponent or planeswalker. | Zack Stella

Weapons Trainer | Creature | Human Soldier Ally | Other creatures you control get +1/+0 as long as you control an Equipment. | Greg Opalinski

Stormchaser Mage | Creature | Human Wizard | Flying, haste Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Clint Cearley