Thorn, Wayward Incarnation

Twinned Soul {4}{b}{r} (you may cast this card
flipped or flip this card for {4}{w}{r})
When Thorn, Wayward Incarnation deals damage
you may cast an instant or sorcery from your
hand that costs X less to cast where X is equal to
the number of counters on Thorn.
When you would lose life you may instead for
every life lost remove 2 counters from Thorn,
Wayward Incarnation.