Mordred - Knight of Treachery

{2}{r}:Mordred - Knight of Treachery gains hexproof until the end of the turn.
{3}{r}{r}:Sacrifice Mordred - Knight of Treachery. Destroy one target creature.
Mordred is a Knight of the Round Table and the legitimate child of King Arthur.
At the same time, the one who put an end to the legend at Camlann Hill, the Knight of Rebellion who slew King Arthur.