The Necromancer

At the beginning of your upkeep if you control 3 or less skeleton creature tokens, create a 1/1 black skeleton creature token. If you control 4 or more, put a stress counter on target creature you don't control.
{1}, Sacrifice a skeleton creature: Prevent the next 1 damage dealt to The Necromancer this turn.
"A devil walks these halls... only the mad or the desperate go in search of him."