Adept Assassin

Vigilance, Shadow, First Strike, Deathtouch
Whenever Adept Assassin becomes the target of a
spell or ability, exile Adept Assassin and return it
to the battlefield under its owner's control at the
beginning of the next upkeep or combat phase.
{b}{b}, Pay 1 life and discard a card: Return Adept Assassin to the battlefield tapped.
Kaya - There is nothing they can't kill.