The Nightmare Fiend

If a Cat creature you control would die
you may exile it instead with a Life
Counter on it. At the beginning of your
end step you lose 1 life for each card with.
a Life Counter on it in exile. If you would
lose the game while you have 9 cards in
exile with life counters on them, target
opponent loses the game instead. You
then gain life equal to the total converted
mana costs among cards with life counters
you own in e