Monkey Paw

The Monkey Paw is a trinket.

Effects

 * If Isaac has half a heart after taking damage, it drops a Black Heart.
 * The effect can trigger up to three times, after which the trinket will disappear.
 * The fingers stuck out by the paw will change to display the number of triggers left.

Trivia

 * This item is a reference to the supernatural short story The Monkey's Paw by W.W Jacobs.