Pentagram of Blood
From Arkham Horror Wiki
Card info
Movement: Discard this card and X Stamina to ward your current street. Place this card on the street with X tokens to indicate this. Monsters must have toughness greater than the tokens on this card in order to enter this street.
Upkeep: If this card is on a street, discard 1 token from it. If there are ever no tokens on this card, return it to the box.
