Kaya, Gixian Slayer

First strike
As long as it is not your turn, Kaya, Gixian Slayer
has hexproof.
Whenever a creature you don't control dies, exile
it.
{5}{p/b}: Transform Kaya, Gixian Slayer. Activate
only as a sorcery. ({p/b} can be paid with either {b} or 2 life.)