Urias, Last of the Vampires

Wither,
Other Vampires you control get +1/+1 and Wither.
{3}{b}: Remove a -1/-1 counter from target creature, your opponent loses life equal to the number of -1/-1 counters removed. You may pay 4 life rather than
pay the cost of this ability.
As long as your life total is 10 or below, Urias, last
of the Vampires gains indestructible and "Your life total cannot change."
"Surely this is not all you have? Show me your thirst
for victory!"