Fleshbag Marauder
Shards of Alara — uncommon
Creature — Zombie Warrior
Fleshbag Marauder rulings:
2020-11-10: When its ability resolves, you may sacrifice Fleshbag Marauder itself. If you control no other creatures, you'll have to sacrifice Fleshbag Marauder.
2020-11-10: As Fleshbag Marauder's ability resolves, first the player whose turn it is chooses a creature to sacrifice, then each other player in turn order does the same knowing the choices made before them. Then all those creatures are sacrificed simultaneously.