
Firehoof Cavalry | Creature | Human Berserker | {3}{R}: Firehoof Cavalry gets +2/+0 and gains trample until end of turn. | YW Tang

Scaldkin | Creature | Elemental | Flying
{2}{R}, Sacrifice Scaldkin: It deals 2 damage to any target. | Cliff Childs

Act of Treason | Sorcery | | Gain control of target creature until end of turn. Untap that creature. It gains haste until end of turn. (It can attack and {T} this turn.) | Min Yum

Ainok Tracker | Creature | Dog Scout | First strike
Morph {4}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) | Evan Shipard

Arrow Storm | Sorcery | | Arrow Storm deals 4 damage to any target.
Raid — If you attacked this turn, instead Arrow Storm deals 5 damage to that permanent or player and the damage can't be prevented. | Steve Prescott

Barrage of Boulders | Sorcery | | Barrage of Boulders deals 1 damage to each creature you don't control.
Ferocious — If you control a creature with power 4 or greater, creatures can't block this turn. | Zoltan Boros

Bloodfire Expert | Creature | Efreet Monk | Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Raymond Swanland

Bloodfire Mentor | Creature | Efreet Shaman | {2}{U}, {T}: Draw a card, then discard a card. | Chase Stone

Bring Low | Instant | | Bring Low deals 3 damage to target creature. If that creature has a +1/+1 counter on it, Bring Low deals 5 damage to it instead. | Slawomir Maniak

Canyon Lurkers | Creature | Human Rogue | Morph {3}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) | Cynthia Sheppard

Leaping Master | Creature | Human Monk | {2}{W}: Leaping Master gains flying until end of turn. | Anastasia Ovchinnikova

Mardu Warshrieker | Creature | Orc Shaman | Raid — When Mardu Warshrieker enters the battlefield, if you attacked this turn, add {R}{W}{B}. | Yefim Kligerman

Shatter | Instant | | Destroy target artifact. | Zoltan Boros

Summit Prowler | Creature | Yeti | | Filip Burburan

Swift Kick | Instant | | Target creature you control gets +1/+0 until end of turn. It fights target creature you don't control. | Mathias Kollros

Tormenting Voice | Sorcery | | As an additional cost to cast this spell, discard a card.
Draw two cards. | Volkan Baǵa

Trumpet Blast | Instant | | Attacking creatures get +2/+0 until end of turn. | Steve Prescott

Valley Dasher | Creature | Human Berserker | Haste
Valley Dasher attacks each combat if able. | Matt Stewart

Efreet Weaponmaster | Creature | Efreet Monk | First strike
When Efreet Weaponmaster enters the battlefield or is turned face up, another target creature you control gets +3/+0 until end of turn.
Morph {2}{U}{R}{W} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) | Ryan Alexander Lee

Ponyback Brigade | Creature | Goblin Warrior | When Ponyback Brigade enters the battlefield or is turned face up, create three 1/1 red Goblin creature tokens.
Morph {2}{R}{W}{B} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) | Mark Zug

Snowhorn Rider | Creature | Human Warrior | Trample
Morph {2}{G}{U}{R} (You may cast this card face down as a 2/2 creature for {3}. Turn it face up any time for its morph cost.) | Tomasz Jedruszek

Jeskai Banner | Artifact | | {T}: Add {U}, {R}, or {W}.
{U}{R}{W}, {T}, Sacrifice Jeskai Banner: Draw a card. | Daniel Ljunggren

Mardu Banner | Artifact | | {T}: Add {R}, {W}, or {B}.
{R}{W}{B}, {T}, Sacrifice Mardu Banner: Draw a card. | Daniel Ljunggren

Temur Banner | Artifact | | {T}: Add {G}, {U}, or {R}.
{G}{U}{R}, {T}, Sacrifice Temur Banner: Draw a card. | Daniel Ljunggren

Bloodfell Caves | Land | | Bloodfell Caves enters the battlefield tapped.
When Bloodfell Caves enters the battlefield, you gain 1 life.
{T}: Add {B} or {R}. | Adam Paquette

Rugged Highlands | Land | | Rugged Highlands enters the battlefield tapped.
When Rugged Highlands enters the battlefield, you gain 1 life.
{T}: Add {R} or {G}. | Eytan Zana

Swiftwater Cliffs | Land | | Swiftwater Cliffs enters the battlefield tapped.
When Swiftwater Cliffs enters the battlefield, you gain 1 life.
{T}: Add {U} or {R}. | Eytan Zana

Wind-Scarred Crag | Land | | Wind-Scarred Crag enters the battlefield tapped.
When Wind-Scarred Crag enters the battlefield, you gain 1 life.
{T}: Add {R} or {W}. | Eytan Zana

Mountain | Basic Land | Mountain | ({T}: Add {R}.) | Noah Bradley

Mountain | Basic Land | Mountain | ({T}: Add {R}.) | Noah Bradley

Mountain | Basic Land | Mountain | ({T}: Add {R}.) | Florian de Gesincourt

Mountain | Basic Land | Mountain | ({T}: Add {R}.) | Titus Lunter