Millennium Scorpion

Offering, Trample, Wither, Renowned
Opponents may remove -1/-1 counters from
creatures they control at any time. Whenever they
do, put a +1/+1 counter on Millennium Scorpion.
Remove a +1/+1 counter from a creature you
control: Millennium Scorpion has Indestructible
until end of turn.