Velka’s Rebuke

(When you cast this spell you may pay for an
apocrypha cost. If you do, include that text.)
Counter target instant or sorcery spell that
targets you or a permanent you control.
Vow of Silence —Apocrypha {w}: Your opponents
can't cast spells this turn.
Karmic Justice —Apocrypha {b}: That spell's controller loses life equal to its mana value.