Fasting is a uncommon Enchantment card from The Dark (DRK), collector number 7. Current market price: $0.69, TCGplayer market prices via Scryfall.
At the beginning of your upkeep, put a hunger counter on this enchantment. Then destroy this enchantment if it has five or more hunger counters on it. If you would begin your draw step, you may skip that step instead. If you do, you gain 2 life. When you draw a card, destroy this enchantment.