Pachinko, Returned Slaver

When Pachinko, Returned Slaver enters the battlefield, exile target creature an opponent controls until Pachinko, Returned Slaver leaves the battlefield.
{2}{b}, Discard a card: Return
Pachinko, Returned Slaver from your graveyard to your hand.
“As long as there is chaos, Hexor will not let me fall!” - Pachinko