Skulls of Sedlec: Executioners is a 6-card expansion to Skulls of Sedlec that shuffles into the game, adds the ability to play with a 4th player and is fully compatible with the solo expansion, Skulls of Sedlec: Monstrance, as well.
In life, the Executioner's duty was to protect society by by delivering the death sentence of the condemned. In death, Executioners wish to be surrounded by their handiwork, the abundant skulls of Criminals that they undid.
This 6-card expansion to Skulls of Sedlec adds a new type of skull: the deadly Executioner. Punish your opponents and score big by attaching Executioners to groups of Criminals. Adding in the expansion is easy, just shuffle in the expansion cards to the base game and play.
—description from the publisher
Released in the June 2020 Board Game of the Month Club $10+ package.