Aven Skirmisher | Creature | Bird Warrior | Flying | Jason Rainville
Mardu Woe-Reaper | Creature | Human Warrior | Whenever Mardu Woe-Reaper or another Warrior enters the battlefield under your control, you may exile target creature card from a graveyard. If you do, you gain 1 life. | Willian Murai
Mardu Shadowspear | Creature | Human Warrior | Whenever Mardu Shadowspear attacks, each opponent loses 1 life.
Dash {1}{B} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) | Mark Poole
Qarsi High Priest | Creature | Human Cleric | {1}{B}, {T}, Sacrifice another creature: Manifest the top card of your library. (Put that card onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) | Viktor Titov
Typhoid Rats | Creature | Rat | Deathtouch (Any amount of damage this deals to a creature is enough to destroy it.) | Dave Kendall
Collateral Damage | Instant | | As an additional cost to cast this spell, sacrifice a creature.
Collateral Damage deals 3 damage to any target. | Ryan Barger
Wild Slash | Instant | | Ferocious — If you control a creature with power 4 or greater, damage can't be prevented this turn.
Wild Slash deals 2 damage to any target. | Raymond Swanland
Warden of the First Tree | Creature | Human | {1}{W/B}: Warden of the First Tree becomes a Human Warrior with base power and toughness 3/3.
{2}{W/B}{W/B}: If Warden of the First Tree is a Warrior, it becomes a Human Spirit Warrior with trample and lifelink.
{3}{W/B}{W/B}{W/B}: If Warden of the First Tree is a Spirit, put five +1/+1 counters on it. | Ryan Alexander Lee