Viola, The Useful and Talented

Viola, The Useful and Talented enters the backfield with 10 users.
{t}Add X +1 +1 Counters on Target Creature. Remove X users of Viola, The Useful and Talented. When Viola, The Useful and Talented Has no more users Search your Library and Graveyard for a Card called Violin, The Second and put that into play.