General Tazri | Legendary Creature | Human Ally | When General Tazri enters the battlefield, you may search your library for an Ally creature card, reveal it, put it into your hand, then shuffle.
{W}{U}{B}{R}{G}: Ally creatures you control get +X/+X until end of turn, where X is the number of colors among those creatures. | Chris Rahn
Akoum Flameseeker | Creature | Human Shaman Ally | Cohort — {T}, Tap an untapped Ally you control: Discard a card. If you do, draw a card. | Willian Murai
Cinder Hellion | Creature | Hellion | Trample
When Cinder Hellion enters the battlefield, it deals 2 damage to target opponent or planeswalker. | Jason Kang
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
Goblin Dark-Dwellers | Creature | Goblin | Menace
When Goblin Dark-Dwellers enters the battlefield, you may cast target instant or sorcery card with mana value 3 or less from your graveyard without paying its mana cost. If that spell would be put into your graveyard, exile it instead. | Steven Belledin
Goblin Freerunner | Creature | Goblin Warrior Ally | Surge {1}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Menace (This creature can't be blocked except by two or more creatures.) | Wayne Reynolds
Kazuul's Toll Collector | Creature | Ogre Warrior | {0}: Attach target Equipment you control to Kazuul's Toll Collector. Activate only as a sorcery. | Greg Staples
Reckless Bushwhacker | Creature | Goblin Warrior Ally | Surge {1}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Haste
When Reckless Bushwhacker enters the battlefield, if its surge cost was paid, other creatures you control get +1/+0 and gain haste until end of turn. | Kieran Yanner
Tyrant of Valakut | Creature | Dragon | Surge {3}{R}{R} (You may cast this spell for its surge cost if you or a teammate has cast another spell this turn.)
Flying
When Tyrant of Valakut enters the battlefield, if its surge cost was paid, it deals 3 damage to any target. | Tyler Jacobson
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
Jori En, Ruin Diver | Legendary Creature | Merfolk Wizard | Whenever you cast your second spell each turn, draw a card. | Igor Kieryluk
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
Mina and Denn, Wildborn | Legendary Creature | Elf Ally | You may play an additional land on each of your turns.
{R}{G}, Return a land you control to its owner's hand: Target creature gains trample until end of turn. | Izzy
Relentless Hunter | Creature | Human Warrior | {1}{R}{G}: Relentless Hunter gets +1/+1 and gains trample until end of turn. | Matt Stewart