Zendikar Rising

Spitfire Lagac | Creature | Lizard | Landfall — Whenever a land enters the battlefield under your control, Spitfire Lagac deals 1 damage to each opponent. | Antonio José Manzanedo

Scorch Rider | Creature | Human Warrior | Kicker {1}{R} (You may pay an additional {1}{R} as you cast this spell.) When Scorch Rider enters the battlefield, if it was kicked, it gains haste until end of turn. | Andrey Kuzinskiy

Thundering Sparkmage | Creature | Human Wizard | When Thundering Sparkmage enters the battlefield, it deals X damage to target creature or planeswalker, where X is the number of creatures in your party. (Your party consists of up to one each of Cleric, Rogue, Warrior, and Wizard.) | Billy Christian

Rockslide Sorcerer | Creature | Human Wizard | Whenever you cast an instant, sorcery, or Wizard spell, Rockslide Sorcerer deals 1 damage to any target. | Daarken

Leyline Tyrant | Creature | Dragon | Flying You don't lose unspent red mana as steps and phases end. When Leyline Tyrant dies, you may pay any amount of {R}. When you do, it deals that much damage to any target. | Chase Stone

Nahiri, Heir of the Ancients | Legendary Planeswalker | Nahiri | +1: Create a 1/1 white Kor Warrior creature token. You may attach an Equipment you control to it. −2: Look at the top six cards of your library. You may reveal a Warrior or Equipment card from among them and put it into your hand. Put the rest on the bottom of your library in a random order. −3: Nahiri, Heir of the Ancients deals damage to target creature or planeswalker equal to twice the number of Equipment you control. | Anna Steinbauer

Omnath, Locus of Creation | Legendary Creature | Elemental | When Omnath, Locus of Creation enters the battlefield, draw a card. Landfall — Whenever a land enters the battlefield under your control, you gain 4 life if this is the first time this ability has resolved this turn. If it's the second time, add {R}{G}{W}{U}. If it's the third time, Omnath deals 4 damage to each opponent and each planeswalker you don't control. | Chris Rahn