Nidus, Plague Incarnate

Whenever this creature deals damage to a creature
put a +1/+1 counter on Nidus, Plague Incarnate.
If this creature has ten or more +1/+1 counters it
gains deathtouch.
{1}{b}{g}{w}: This creature deals one damage to all creatures blocking it.
Remove two +1/+1 counters: All creatures able to
block Nidus, Plague Incarnate do so.
Remove fifteen +1/+1 counters: This creature gains indestructible until end of turn.