True Priest

{x}: Create X worshiper tokens with: "This creature cannot attack if you control a god" and "This creature cannot block unless you control a god"
{x}: Sacrifice X number of worshippers. You gain life twice X, you draw twice X, your opponent loses twice X life, and you create twice X spirits with: "{x}: sacrifice this creature and return a creature from your graveyard to the battlefield with converted mana cost equal to X"