Scarecrow, Upholder of Fear

Scarecrow, Upholder of Fear enters the battlefield with x scare counters.
{1}{b}{u}{t}Remove a scare counter from Scarecrow, Upholder of Fear, choose one:
•target attacking or blocking creature gets -4/-1 until end of turn.
•place a scare counter on target creature.
•sacrifice Scarecrow, Upholder of Fear, exile every creature with a scare counter.