Potent Temptation

Skip your draw step.
Whenever you gain 1 or more life for the first time during each of your turns, you may exile that many cards from your library face down. If you do, put those cards into your hand at the next end step and you gain that many poison counters.
At the beginning of each opponents upkeep they may pay {2}. If they do that player draws a card and you remove 2 poison counters.