Knight of the Holy Nimbus (TSR)

Knight of the Holy Nimbus  (2) 
Creature — Human Rebel Knight (2/2) 
Flanking (Whenever a creature without flanking blocks this creature, the blocking creature gets -1/-1 until end of turn.)
If Knight of the Holy Nimbus would be destroyed, regenerate it. (Tap it, remove it from combat, and heal all damage on it.)
: Knight of the Holy Nimbus can't be regenerated this turn. Only your opponents may activate this ability.