Kilea, Spirit Caretaker

Whenever a creature you control dies, place a
spirit counter on Kilea, Spirit Caretaker.
{t}:Remove XX spirit counters from Kilea, Spirit Caretaker, all creatures you control get +0/+X
until end of turn.
{1},{t}: Remove three spirit counters from Kilea,
Spirit Caretaker, regenerate target creature
Just because you are dead, that doesn't mean you
can't help the living.
-Kilea, Orzhov Priest.