Sira the demon Witcher

Fear flash menece ward-pay 4 life
Whenever Sira the demon Witcher enters the battlefield sacrifice a permanent and counter target spell white equal mana cost.
Opponents can’ gain life or scr
{p/u}{p/b}{p/b}{t}, scr 2 then target creature gain -2-2 until end of turn, when that creature dies exile
it and its controller loses 2 life and mil 2 cards