
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

Kiora's Follower | Creature | Merfolk | {T}: Untap another target permanent. | Eric Deschamps

Skyrider Elf | Creature | Elf Warrior Ally | Flying
Converge — Skyrider Elf enters with a +1/+1 counter on it for each color of mana spent to cast it. | Dan Murayama Scott