Debuff
A negative modification or reduction applied to a card's abilities, stats, or effects, typically for a limited duration. Often displayed in the game Instructions as de/buff, indicating that either a Buff or Debuff may be applied.
ie. When Threadbare Thong enters the room (the) Chosen Guest gets -1/+1 until the end of turn.
Also See: Buff
Dirty Deeds (Optional Rule)
When this optional rule is in play, Toys to not leave the Room with their equipped Guest. Instead they remain in the Room and are able to be equipped to a new Guest for their Inspiration Cost. This rule must be applied before the Game starts.