Kasha

Possess {1}{b} (If you cast this card for its possess
cost, it's an Aura spell with enchant creature. You
may cast this card as a creature by paying its mana
cost.)
Enchanted creatures gains deathtouch. When the
enchanted creature kills another creature, you
may pay {b/r}{b/r}, if you do exile Kasha and
return it to the battlefield as a creature.
Deathtouch, Infect
When Kasha kills a creature, create a black 1/1
cat spirit creature token.