Lifestealer Lich

When Lifestealer Lich enters the battlefield, all
other creatures get -X/-X until end of turn,
where X is Lifestealer Lich's power. Put a +1/+1 counter on Lifestealer Lich and you gain 2 life
for each creature that died this way.
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"When you finally wasted away all of your fleshly
desires, any soul will do nicely."