Gatecrash

Bomber Corps | Creature | Human Soldier | Battalion — Whenever Bomber Corps and at least two other creatures attack, Bomber Corps deals 1 damage to any target. | Chase Stone

Cinder Elemental | Creature | Elemental | {X}{R}, {T}, Sacrifice Cinder Elemental: It deals X damage to any target. | Svetlin Velinov

Ember Beast | Creature | Beast | Ember Beast can't attack or block alone. | David Rapoza

Firefist Striker | Creature | Human Soldier | Battalion — Whenever Firefist Striker and at least two other creatures attack, target creature can't block this turn. | Tyler Jacobson

Foundry Street Denizen | Creature | Goblin Warrior | Whenever another red creature enters the battlefield under your control, Foundry Street Denizen gets +1/+0 until end of turn. | Raoul Vitale

Hellkite Tyrant | Creature | Dragon | Flying, trample Whenever Hellkite Tyrant deals combat damage to a player, gain control of all artifacts that player controls. At the beginning of your upkeep, if you control twenty or more artifacts, you win the game. | Aleksi Briclot

Hellraiser Goblin | Creature | Goblin Berserker | Creatures you control have haste and attack each combat if able. | Karl Kopinski

Legion Loyalist | Creature | Goblin Soldier | Haste Battalion — Whenever Legion Loyalist and at least two other creatures attack, creatures you control gain first strike and trample until end of turn and can't be blocked by creature tokens this turn. | Eric Deschamps

Molten Primordial | Creature | Avatar | Haste When Molten Primordial enters the battlefield, for each opponent, gain control of up to one target creature that player controls until end of turn. Untap those creatures. They gain haste until end of turn. | Stephan Martiniere

Ripscale Predator | Creature | Dinosaur | Menace (This creature can't be blocked except by two or more creatures.) | Volkan Baǵa

Scorchwalker | Creature | Elemental | Bloodrush — {1}{R}{R}, Discard Scorchwalker: Target attacking creature gets +5/+1 until end of turn. | Anthony Palumbo

Skinbrand Goblin | Creature | Goblin Warrior | Bloodrush — {R}, Discard Skinbrand Goblin: Target attacking creature gets +2/+1 until end of turn. | Marco Nelor

Towering Thunderfist | Creature | Giant Soldier | {W}: Towering Thunderfist gains vigilance until end of turn. | Zoltan Boros

Viashino Shanktail | Creature | Viashino Warrior | First strike Bloodrush — {2}{R}, Discard Viashino Shanktail: Target attacking creature gets +3/+1 and gains first strike until end of turn. | Kev Walker

Warmind Infantry | Creature | Elemental Soldier | Battalion — Whenever Warmind Infantry and at least two other creatures attack, Warmind Infantry gets +2/+0 until end of turn. | Greg Staples

Wrecking Ogre | Creature | Ogre Warrior | Double strike Bloodrush — {3}{R}{R}, Discard Wrecking Ogre: Target attacking creature gets +3/+3 and gains double strike until end of turn. | Nils Hamm

Disciple of the Old Ways | Creature | Human Warrior | {R}: Disciple of the Old Ways gains first strike until end of turn. | Anthony Palumbo

Aurelia, the Warleader | Legendary Creature | Angel | Flying, vigilance, haste Whenever Aurelia, the Warleader attacks for the first time each turn, untap all creatures you control. After this phase, there is an additional combat phase. | Slawomir Maniak

Firemane Avenger | Creature | Angel | Flying Battalion — Whenever Firemane Avenger and at least two other creatures attack, Firemane Avenger deals 3 damage to any target and you gain 3 life. | Wayne Reynolds

Fortress Cyclops | Creature | Cyclops Soldier | Whenever Fortress Cyclops attacks, it gets +3/+0 until end of turn. Whenever Fortress Cyclops blocks, it gets +0/+3 until end of turn. | Maciej Kuciara

Foundry Champion | Creature | Elemental Soldier | When Foundry Champion enters the battlefield, it deals damage to any target equal to the number of creatures you control. {R}: Foundry Champion gets +1/+0 until end of turn. {W}: Foundry Champion gets +0/+1 until end of turn. | Todd Lockwood

Ordruun Veteran | Creature | Minotaur Soldier | Battalion — Whenever Ordruun Veteran and at least two other creatures attack, Ordruun Veteran gains double strike until end of turn. (It deals both first-strike and regular combat damage.) | Greg Staples

Skyknight Legionnaire | Creature | Human Knight | Flying, haste | Anthony Palumbo

Spark Trooper | Creature | Elemental Soldier | Trample, lifelink, haste At the beginning of the end step, sacrifice Spark Trooper. | James Ryman

Sunhome Guildmage | Creature | Human Wizard | {1}{R}{W}: Creatures you control get +1/+0 until end of turn. {2}{R}{W}: Create a 1/1 red and white Soldier creature token with haste. | Eric Deschamps

Truefire Paladin | Creature | Human Knight | Vigilance {R}{W}: Truefire Paladin gets +2/+0 until end of turn. {R}{W}: Truefire Paladin gains first strike until end of turn. | Michael C. Hayes

Wojek Halberdiers | Creature | Human Soldier | Battalion — Whenever Wojek Halberdiers and at least two other creatures attack, Wojek Halberdiers gains first strike until end of turn. | Nic Klein

Boros Reckoner | Creature | Minotaur Wizard | Whenever Boros Reckoner is dealt damage, it deals that much damage to any target. {R/W}: Boros Reckoner gains first strike until end of turn. | Howard Lyon

Borborygmos Enraged | Legendary Creature | Cyclops | Trample Whenever Borborygmos Enraged deals combat damage to a player, reveal the top three cards of your library. Put all land cards revealed this way into your hand and the rest into your graveyard. Discard a land card: Borborygmos Enraged deals 3 damage to any target. | Aleksi Briclot

Ghor-Clan Rampager | Creature | Beast | Trample Bloodrush — {R}{G}, Discard Ghor-Clan Rampager: Target attacking creature gets +4/+4 and gains trample until end of turn. | Charles Urbach

Gruul Ragebeast | Creature | Beast | Whenever Gruul Ragebeast or another creature enters the battlefield under your control, that creature fights target creature an opponent controls. | Dave Kendall

Rubblehulk | Creature | Elemental | Rubblehulk's power and toughness are each equal to the number of lands you control. Bloodrush — {1}{R}{G}, Discard Rubblehulk: Target attacking creature gets +X/+X until end of turn, where X is the number of lands you control. | Raymond Swanland

Ruination Wurm | Creature | Wurm | | Dave Kendall

Skarrg Guildmage | Creature | Human Shaman | {R}{G}: Creatures you control gain trample until end of turn. {1}{R}{G}: Target land you control becomes a 4/4 Elemental creature until end of turn. It's still a land. | Aleksi Briclot

Zhur-Taa Swine | Creature | Boar | Bloodrush — {1}{R}{G}, Discard Zhur-Taa Swine: Target attacking creature gets +5/+4 until end of turn. | Yeong-Hao Han

Burning-Tree Emissary | Creature | Human Shaman | When Burning-Tree Emissary enters the battlefield, add {R}{G}. | Izzy

Rubblebelt Raiders | Creature | Human Warrior | Whenever Rubblebelt Raiders attacks, put a +1/+1 counter on it for each attacking creature you control. | Chippy