Throkkul, Deserts Nightmare

Vigilance, Trample, Devour 2 (As this comes into
play, you may sacrifice any number of creatures. This
creature comes into play with three times that many
+1/+1 counters on it.)
When Throkkul enters the battlefield each
opponent loses 1 life for each +1/+1 counter on
Throkkul and you gain that much life,
lost this way.
Partner with Lukkra