Leyline of Shut the Hell Up

If Leyline of Shut the Hell Up is in your
opening hand, you may begin the game with
it on the battlefield.
When Leyline of Shut the Hell Up enters the
battlefield, choose up to five words. Whenever
an opponent says one of those words, you may
yell "Shut the Hell Up!". If you do, Leyline of
Shut the Hell Up deals 5 damage any target.