Mara, the Imperishable Reaver

Deathtouch, wither
Whenever a creature dies under a player's
control, that player loses two life. Whenever
another creature dies under your control, you
may pay {b}{g}. If you do, put a -1/-1 counter on
target creature.
{3}{b}{g}: Return a permanent from your graveyard
to the hand.
Partner (You can have two commanders if both
have partner.)