Birthday Candle

Birthday Candle is a passive collectible added in Revelations Chapter One.

Effects
The effect varies depending on the player's inventory when the item is picked up, in order of decreasing priority:
 * 1) If the player does not have a Soul Heart / Black Heart, a Soul Heart will drop.
 * 2) If the player does not have a bomb, a bomb will drop.
 * 3) If the player does not have a key, a key will drop.
 * 4) If the player does not have 15 coins, a dime will drop.
 * 5) If the player has all of the previous, all stats increase.