Mylla Sherye, Necrolutionist

{t} Sacrifice a creature: Distribute X +1/+1
counters among any number of target creatures,
where X is the sacrificed creature's toughness.
If a creature you control dies, exile it instead
with a pod counter on it.
During each of your turns you may cast one
creature card with a pod counter from exile,
it enters the battlefield with an additional
+1/+1 counter.