Desperate Survival

Desperation - Creatures you control have +1/+1
and trample as long as you have five or less life.
{1}{w}{b}{r}, Exile Desperate Survival: The next
time your life total would go below 1 this turn,
it goes to 1 instead. Activate this ability only if
you have five or less life.
"Ever heard of what happens if you corner a rat?
Now imagine if that rat was very big and armed to
the teeth." - Zernir, Chieftain of Blood.