Garm, The World Tormentor

Foretell {p/b}{p/b}{p/b}, Split Second & Dethrone
When Garm enters the battlefield flip True Boyd to Skorn until Garm leaves the battlefield. If the Betrayal cost is paid flip Skorn to True Boyd.
Betrayal {3} (If this creature would die this turn, you gain control of it instead. Any opponent may activate this ability. If multiple pay you decide)
Rising Tide {p/b}{p/b}{p/b}