Lisztomania

Lisztomania enters the battlefield with 5 explanation counters on it. Opponents can only attack with one creature per combat phase, may only attack you (not your planeswalkers), and Lisztomania must block.
W: Any player may activate this ability. Remove an explanation counter from this creature or if there are no explanation counters destroy it. Totem armor (If this creature would be destroyed, instead remove an explanation counter from this creature or if there are none destroy it.)