Fauna of Demoncount

At the beginning of each upkeep, you may surveil X, where X is Fauna of Demoncount's power.
Whenever a creature card is put into your graveyard, you lose 1 life.
Fauna of Demoncount's power is equal to the amount of life you lost last turn, minus 3.
Fauna of Demoncount has indestructible if its power is greater than 0.