Ghost Rider

(A creature must have died this turn to cast Ghost Rider, if a human died, Ghost Rider can be casted for 0 plus any commander tax if there is any)
Trample, Haste, Fear
When Ghost Rider enters the battle field each opponent creates 1 human token.
Whenever Ghost Rider deals damage to a player and a human died this turn, flip a coin, flip a coin if you call it right the player dealt combat damage by Ghost Rider loses the game.