
Cartel Aristocrat | Creature | Human Advisor | Sacrifice another creature: Cartel Aristocrat gains protection from the color of your choice until end of turn. | James Ryman

Imperious Oligarch | Creature | Human Cleric | Vigilance
Afterlife 1 (When this creature dies, create a 1/1 white and black Spirit creature token with flying.) | Johannes Voss

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

Fleecemane Lion | Creature | Cat | {3}{G}{W}: Monstrosity 1. (If this creature isn't monstrous, put a +1/+1 counter on it and it becomes monstrous.)
As long as Fleecemane Lion is monstrous, it has hexproof and indestructible. | Slawomir Maniak

Stormchaser Mage | Creature | Human Wizard | Flying, haste
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.) | Clint Cearley

Frostburn Weird | Creature | Weird | {U/R}: Frostburn Weird gets +1/-1 until end of turn. | Mike Bierek

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

Bloodtithe Harvester | Creature | Vampire | When Bloodtithe Harvester enters, create a Blood token. (It's an artifact with "{1}, {T}, Discard a card, Sacrifice this artifact: Draw a card.")
{T}, Sacrifice Bloodtithe Harvester: Target creature gets -X/-X until end of turn, where X is twice the number of Blood tokens you control. Activate only as a sorcery. | Lucas Graciano

Lotleth Troll | Creature | Zombie Troll | Trample
Discard a creature card: Put a +1/+1 counter on Lotleth Troll.
{B}: Regenerate Lotleth Troll. | Vincent Proce