Jwein, Meme Incarnate

Jwein cannot be countered, has vigilance, haste, hexproof and trample.
When Jwein, Meme Incarnate, enters the battlefield, chose target permanent. It becomes possessed by Jwein for the duration of the game.
{t}Annoy target Karen, she loses 5 life and you gain 5 life.
He he he he, ik ben de Jwein.