Dark Vale Sorcerer

When Dark Vale Sorcerer enters the battlefield, tap target creature. It gets -2/-0 until end of turn.
{t}, discard a black card: Target creature
gets -0/-2 until end of turn.
The scions of Lahariel are the only known Succubi to dabble in the arcane arts, who often succumb to the temptations of their burning insticts of passion and desire.