Let's say in a three-player game, Alice and Bob are playing Poison-Tip Archer. It's a 2/3 creature with:
Whenever another creature dies, each opponent loses 1 life.
Carol has 10 1/1 Saproling tokens in play.
All of them are 10 life, and someone plays Tremor:
Tremor deals 1 damage to each creature without flying.
So all 10 Saprolings would die, triggering both Poison-Tip Archer's abilities 10 times - enough for everyone on the table to die (20 lives lost for Carol, 10 for each Alice and Bob).
Will this be a tie? Is there an order in which the triggers are resolved that may make someone win? Does the result depend somehow on who is the active player?
Edit: Will it make a difference if the Poison-Tip Archer's would also die by the same effect (ie, play Wildfire - doing 4 damage to each creature instead of Tremor's 1)?