Infect

You may start the game with Infect in your
command zone if your starting deck contains six or more creatures with infect. If you do,
all creatures in your starting deck lose infect
and can't have or gain infect.
Your opponents starting life total is 10.
Your opponents can't gain life. Whenever
you proliferate, each opponent loses 1 life.
"Fair and balanced" - Mark Rosewater