Witch-King of Angmar

Flying. Vigilance.
When Witch-King of Angmar comes into play,
you may pay 4 life. If you do, Put into play a 4/4
black creature token Wyvern with Flying and
Trample.
{b}{b}Regenerate Witch-King of Angmar.
{b}{b}Nazguul creatures you control gains +1/+1
until end of turn.
Pay 2 life. Nazguul creatures you control gains
Fear until end of turn.