Choccy Milk Relic

If you were to sacrifice another Relic, you may sacrifice a creature and lose 3 life, then return that Relic to the battlefield tapped.
When Choccy Milk Relic enters the battlefield, put a Choccy counter on each creature you control.
Each creature with a Choccy counter has, When this creature dies, you gain 2 life.
{2}{w}{b}{g}: Proliferate.