Cursed Yum Heart

The Cursed Yum Heart is an activated item.

Effects

 * You have a 1 in (200/xy) chance of getting a negative outcome, with x representing half the amount of heart containers and soul hearts on hand (due to the game recognizing half hearts as 1 HP each) and y representing how many times the Cursed Yum Heart has been used plus one.
 * Positive outcomes involve getting a Soul Heart, or having multiple Heart Containers being replenished.
 * Negative outcomes involve losing 1-2 Heart Containers, or 3 Soul Hearts.