Teth, Nether Reaper

If a nontoken creature an opponent owns would
die or a creature card not on the battlefield
would be put into an opponent's graveyard,
create a 1/1 white Spirit creature token with
flying.
{2}{b}{b}: You may sacrifice any number of Spirits. Target player loses 2 life for each Spirit sacrificed
this way. You gain that much life.
Partner (You can have two commanders if both have partner.)