Succubus' Contract

At the beginning of your upkeep put a counter on Succubus' Contract. Then add {b/r}, gain 1 life and draw 1 card for each counter on Succubus' Contract. At the end
of your turn, if there is 7 or more counters,
you lose the game.
"Be careful of deals that sound too good to be
true. Because they are"