Nazir, Plague Sorcerer

Deathtouch, Reach
Whenever a creature an opponent controlls dies, you may put a -1/-1 counter on target creature.
{1}{b/g}{b/g}, {t}: If you control a Desert or there is a Desert card in your graveyard, distribute two -1/-1 counters among one or two target creatures.
Partner (You can have two commanders if both have partner.)