Valcar, The Forgotten Warrior

At the beginning of your upkeep, Valcar, The Forgotten Warrior gains 2 +1 +1 counters.
-All damage dealt to Valcar, The Forgotten
Warrior is dealt in the form of -1 -1 counters.
If Valcar the Forgotten Warrior would go below
0 toughness he is not sent to the graveyard. BUT
if Valcar, The Forgotten Warrior would take 6
or more points of damage in a single turn, he
is exiled.