Zuggtmoy, Queen of Rot

lifelink, wither
As long as Zuggtmoy, Queen of Rot is in the
command zone, on the battlefield, or in your
graveyard, Whenever you gain life you may pay
{1}. If {w} was spent, replace any number of -1/-1
counters on creatures with spore counters. If
{b} was spent, replace any number of spore counters
on any number of creatures with a -1/-1 counter.
The permanent that was tapped for this mana does
not untap during your next untap phase.