Golgari Ascendancy

Whenever a nontoken creature you control dies,
put a skill counter on Golgari Ascendancy.
At the beginning of your upkeep, if there are five
or more skill counters on Golgari Ascendancy,
you may return target creature card from your graveyard to the battlefield with a -1/-1 counter
on it. If that creature would die, exile it instead.
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The path to rebirth lies in the balance between life and
death.