Semton, Lord of Death

+2: Put target creature from your graveyard to the battlefield you lose 2 life. This Planeswalker can be your commander.
0: Put target creature from the graveyard to the battlefield draw cards equal to the creatures power. You lose 2 life.
-4: Create three 5/4 death dragon tokens with Flying and "When this creature dies draw cards equal to the amount of damage it did to other players"