Vixhal, Province Raider

Living metal (As long as it's your turn, this Vehicle
is also a creature.)
Flying, trample, toxic 2
At the beginning of each endstep, if each
opponent lost life this turn, proliferate.
Corruption of the Masses—Whenever an opponent
with three or more poison counters would lose
life, they may pay {1}. If that player doesn't, they sacrifice a permanent.