
Bathe in Dragonfire | Sorcery | | Bathe in Dragonfire deals 4 damage to target creature. | Chris Rallis

Collateral Damage | Instant | | As an additional cost to cast this spell, sacrifice a creature.
Collateral Damage deals 3 damage to any target. | Ryan Barger

Defiant Ogre | Creature | Ogre Warrior | When Defiant Ogre enters the battlefield, choose one —
• Put a +1/+1 counter on Defiant Ogre.
• Destroy target artifact. | Craig J Spearing

Fierce Invocation | Sorcery | | Manifest the top card of your library, then put two +1/+1 counters on it. (To manifest a card, put it onto the battlefield face down as a 2/2 creature. Turn it face up any time for its mana cost if it's a creature card.) | Tyler Jacobson

Goblin Heelcutter | Creature | Goblin Berserker | Whenever Goblin Heelcutter attacks, target creature can't block this turn.
Dash {2}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) | Jesper Ejsing

Gore Swine | Creature | Boar | | Jack Wang

Lightning Shrieker | Creature | Dragon | Flying, trample, haste
At the beginning of the end step, Lightning Shrieker's owner shuffles it into their library. | Slawomir Maniak

Mardu Runemark | Enchantment | Aura | Enchant creature
Enchanted creature gets +2/+2.
Enchanted creature has first strike as long as you control a white or black permanent. | Viktor Titov

Mardu Scout | Creature | Goblin Scout | Dash {1}{R} (You may cast this spell for its dash cost. If you do, it gains haste, and it's returned from the battlefield to its owner's hand at the beginning of the next end step.) | Zoltan Boros

Smoldering Efreet | Creature | Efreet Monk | When Smoldering Efreet dies, it deals 2 damage to you. | Chase Stone

Temur Battle Rage | Instant | | Target creature gains double strike until end of turn.
Ferocious — That creature also gains trample until end of turn if you control a creature with power 4 or greater. | Jaime Jones

War Flare | Instant | | Creatures you control get +2/+1 until end of turn. Untap those creatures. | Karl Kopinski

Cunning Strike | Instant | | Cunning Strike deals 2 damage to target creature and 2 damage to target player or planeswalker.
Draw a card. | Clint Cearley

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}.) | Florian de Gesincourt