Tivean Nightsister

{x} Tivean Nightsister gains Spirit Ichor equal to
cost paid.
While Carnifex, Butcher King is on the field,
Tivean Nightsister gains 1 Spirit Ichor per turn.
While Tivean Nightsister is on the field, the controlling player can remove 2 Spirit Ichor and
target one non-Vehicle card on the opponent's
field and reduce its attack/defense values by -1/-1 permanently.