Arena Athlete | Creature | Human | Heroic — Whenever you cast a spell that targets Arena Athlete, target creature an opponent controls can't block this turn. | Jason Chan
Coordinated Assault | Instant | | Up to two target creatures each get +1/+0 and gain first strike until end of turn. | John Severin Brassell
Fanatic of Mogis | Creature | Minotaur Shaman | When Fanatic of Mogis enters the battlefield, it deals damage to each opponent equal to your devotion to red. (Each {R} in the mana costs of permanents you control counts toward your devotion to red.) | Matt Stewart
Flamespeaker Adept | Creature | Human Shaman | Whenever you scry, Flamespeaker Adept gets +2/+0 and gains first strike until end of turn. | Lucas Graciano
Magma Jet | Instant | | Magma Jet deals 2 damage to any target. Scry 2. | Maciej Kuciara
Ordeal of Purphoros | Enchantment | Aura | Enchant creature
Whenever enchanted creature attacks, put a +1/+1 counter on it. Then if it has three or more +1/+1 counters on it, sacrifice Ordeal of Purphoros.
When you sacrifice Ordeal of Purphoros, it deals 3 damage to any target. | Maciej Kuciara
Peak Eruption | Sorcery | | Destroy target Mountain. Peak Eruption deals 3 damage to that land's controller. | Adam Paquette
Purphoros's Emissary | Enchantment Creature | Ox | Bestow {6}{R} (If you cast this card for its bestow cost, it's an Aura spell with enchant creature. It becomes a creature again if it's not attached to a creature.)
Menace (This creature can't be blocked except by two or more creatures.)
Enchanted creature gets +3/+3 and has menace. | Sam Burley
Stoneshock Giant | Creature | Giant | {6}{R}{R}: Monstrosity 3. (If this creature isn't monstrous, put three +1/+1 counters on it and it becomes monstrous.)
When Stoneshock Giant becomes monstrous, creatures without flying your opponents control can't block this turn. | Lars Grant-West
Akroan Hoplite | Creature | Human Soldier | Whenever Akroan Hoplite attacks, it gets +X/+0 until end of turn, where X is the number of attacking creatures you control. | Igor Kieryluk
Spellheart Chimera | Creature | Chimera | Flying, trample
Spellheart Chimera's power is equal to the number of instant and sorcery cards in your graveyard. | Svetlin Velinov
Kragma Warcaller | Creature | Minotaur Warrior | Minotaur creatures you control have haste.
Whenever a Minotaur you control attacks, it gets +2/+0 until end of turn. | Gabor Szikszai
Destructive Revelry | Instant | | Destroy target artifact or enchantment. Destructive Revelry deals 2 damage to that permanent's controller. | Kev Walker