Investigator's Journal enters the battlefield with a number of suspect counters on it equal to the greatest number of creatures a player controls.
{2}, {T}, Remove a suspect counter from Investigator's Journal: Draw a card.
{2}, Sacrifice Investigator's Journal: Draw a card.
You don't choose an opponent to determine how many suspect counters are placed on Investigator's Journal as it enters the battlefield. You always use the greatest number possible.