Hundred-Handed One

Vigilance, Double Strike, Reach, Wither,
Hexproof.
Hundred-Handed One attacks each turn if able
and must be blocked by all creatures able to do
so. After combat, put a -1/-1 counter on Hundred-Handed One for each creature that blocked it.
At the beginning of each upkeep, put a +1/+1
counter on Hundred-Handed One.