Yennefer of Vengerberg

Portal —Whenever you cast an instant or sorcery,
you may phase out up to X target creatures you
control, where X is the converted mana cost of that
spell.
Forbidden Fire — Whenever a creature is dealt
excess noncombat damage, you may pay {r}. If you
do, Yennefer of Vengerberg deals damage equal to
the excess to each opponent.