Allied Reinforcements | Sorcery | | Create two 2/2 white Knight Ally creature tokens. | Matt Stewart
Iona's Blessing | Enchantment | Aura | Enchant creature
Enchanted creature gets +2/+2, has vigilance, and can block an additional creature each combat. | David Gaillet
Relief Captain | Creature | Kor Knight Ally | When Relief Captain enters the battlefield, support 3. (Put a +1/+1 counter on each of up to three other target creatures.) | Anastasia Ovchinnikova
Unity of Purpose | Instant | | Support 2. (Put a +1/+1 counter on each of up to two target creatures.)
Untap each creature you control with a +1/+1 counter on it. | Jason Felix
Null Caller | Creature | Vampire Shaman | {3}{B}, Exile a creature card from your graveyard: Create a tapped 2/2 black Zombie creature token. | Darek Zabrocki
Embodiment of Fury | Creature | Elemental | Trample
Land creatures you control have trample.
Landfall — Whenever a land enters the battlefield under your control, you may have target land you control become a 3/3 Elemental creature with haste until end of turn. It's still a land. | David Palumbo
Pyromancer's Assault | Enchantment | | Whenever you cast your second spell each turn, Pyromancer's Assault deals 2 damage to any target. | Todd Lockwood
Harvester Troll | Creature | Troll | When Harvester Troll enters the battlefield, you may sacrifice a creature or land. If you do, put two +1/+1 counters on Harvester Troll. | Greg Staples
Seed Guardian | Creature | Elemental | Reach
When Seed Guardian dies, create an X/X green Elemental creature token, where X is the number of creature cards in your graveyard. | Vincent Proce
Cliffhaven Vampire | Creature | Vampire Warrior Ally | Flying
Whenever you gain life, each opponent loses 1 life. | David Gaillet
Thought Harvester | Creature | Eldrazi Drone | Devoid (This card has no color.)
Flying
Whenever you cast a colorless spell, target opponent exiles the top card of their library. | Winona Nelson
Havoc Sower | Creature | Eldrazi Drone | Devoid (This card has no color.)
{1}{C}: Havoc Sower gets +2/+1 until end of turn. ({C} represents colorless mana.) | Svetlin Velinov