
Courier's Briefcase | Artifact | Treasure | When Courier's Briefcase enters, create a 1/1 green and white Citizen creature token.
{T}, Sacrifice Courier's Briefcase: Add one mana of any color.
{W}{U}{B}{R}{G}, {T}, Sacrifice Courier's Briefcase: Draw three cards. | Josu Hernaiz

Anax and Cymede | Legendary Creature | Human Soldier | First strike, vigilance
Heroic — Whenever you cast a spell that targets Anax and Cymede, creatures you control get +1/+1 and gain trample until end of turn. | Willian Murai

Assemble the Legion | Enchantment | | At the beginning of your upkeep, put a muster counter on Assemble the Legion. Then create a 1/1 red and white Soldier creature token with haste for each muster counter on Assemble the Legion. | Eric Deschamps

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

Martial Glory | Instant | | Target creature gets +3/+0 until end of turn.
Target creature gets +0/+3 until end of turn. | Raymond Swanland

Tenth District Legionnaire | Creature | Human Soldier | Haste
Whenever you cast a spell that targets Tenth District Legionnaire, put a +1/+1 counter on Tenth District Legionnaire, then scry 1. | Victor Adame Minguez

Iroas, God of Victory | Legendary Enchantment Creature | God | Indestructible
As long as your devotion to red and white is less than seven, Iroas isn't a creature.
Creatures you control have menace.
Prevent all damage that would be dealt to attacking creatures you control. | Slawomir Maniak

Aurelia's Fury | Instant | | Aurelia's Fury deals X damage divided as you choose among any number of targets. Tap each creature dealt damage this way. Players dealt damage this way can't cast noncreature spells this turn. | Tyler Jacobson

Wear // Tear | Instant // Instant | | Destroy target artifact.
Fuse (You may cast one or both halves of this card from your hand.) // Destroy target enchantment.
Fuse (You may cast one or both halves of this card from your hand.) | Ryan Pancoast

Chromanticore | Enchantment Creature | Manticore | Bestow {2}{W}{U}{B}{R}{G} (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.)
Flying, first strike, vigilance, trample, lifelink
Enchanted creature gets +4/+4 and has flying, first strike, vigilance, trample, and lifelink. | Min Yum

Boros Guildgate | Land | Gate | This land enters tapped.
{T}: Add {R} or {W}. | Titus Lunter

Needle Spires | Land | | Needle Spires enters tapped.
{T}: Add {R} or {W}.
{2}{R}{W}: Needle Spires becomes a 2/1 red and white Elemental creature with double strike until end of turn. It's still a land. | Jonas De Ro