Increases the chance that donating to a Donation Machine will increase Isaac's luck.
Synergies
Karma / Mom's Box / Golden Trinket: The luck increase granted by Donation Machines grows with each effect/trinket copy stack granting +1 luck per stack.
The trinket's sprite is a Triskelion, also known as a Triskele.
While there is no connection between the triskelion and the concept of karma itself in any culture, the Celtic Irish considered the triskelion and its three spirals a representation of the cycle of birth, life and death, which could be associated with the karmic cycle.
Donation Machine has a chance to do one of the following:
Karma / 
Mom's Box / 
Golden Trinket: The luck increase granted by Donation Machines grows with each effect/trinket copy stack granting +1 luck per stack.
Karma's original appearance before Booster Pack #5.
Keeper Unlocks 
The Lamb Unlocks 
The Binding of Isaac: Rebirth
