Immortal Combat

Kicker {4} (You may pay an additional {4} as you cast
this spell.)
Take an extra turn after this one. Target opponent takes an extra turn after his or her next one.
If Immortal Thoughts was kicked, it gets rebound.
(If you cast this spell from your hand, exile it as it resolves. At the beginning of your next upkeep, you may
cast this card from exile without paying its mana cost.)