Tulzscha is a herald. He first appeared in Kingsport Horror expansion.
Tulzcha - The Green Flame
When Tulzcha is the Herald, place one extra Cultist on the first open gate at the start of the game.
Preparing the Way
But what frightened me most was that flaming column, spouting volcanically from depths profound and inconceivable; casting no shadows as a healthy flame should, and coating the nitrous stone above with a nasty, venomous verdigris. For in all that seething combustion no warmth lay, but only the clamminess of death and corruption.
Place one Cultist on the first open gate at the start of the game in addition to the normal monsters that emerge from the gate.
Cultists are Elusive. When a Cultist adjacent to an elder sign token moves, it moves to that elder sign's location. The Sky is considered to be adjacent to all locations for this purpose.
If a Cultist begins the Mythos Phase in the same location as an elder sign token, discard the elder sign token and return the Cultist to the cup.
If your monster cup includes monsters that are "treated as a Cultist (such as the Child of the Goat or the Dark Druid)," the starting Cultist for the game is drawn randomly.