Barmmyte, Sensor of Woe

When Barmmyte, Sensor of Woe enters the battlefield, choose a player and put seven sensory counters on Barmmyte, Sensor of Woe.
{u}: Look at the chosen player's hand.
Remove any number of sensory counters from Barmmyte, Sensor of Woe: The chosen player discards a card with converted mana cost equal to the number of counters removed this way.