Kapet, Demon Sorcerer

If Kapet, Demon Sorcerer is not paired with another creature exile it. You may cast Kapet, Demon Sorcerer from exile when you play a creature with souldbond.
On each endstep, if a creature or enchantment entered the graveyard this turn, you may cast it
for its converted mana cost.
Whenever a player loses 5 or more life, you may destroy target creature or enchantment.