Skarr, the Skeletal Berserker

When Skarr, the Skeletal Beserker attacks, target
opponent sacrifices a creature. Otherwise, he or
she loses 2 life.
Skeleton Horde (May cast this from the graveyard,
with Flash, if a skeleton creature died this turn.)
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"Why is that skeleton running at us by himself?"
- Newest member of the skeleton army.