Obscured Expense

Enchant player
When Obscured Expense enters the battlefield,
choose Gift or Curse.
Gift- Enchanted player may pay 3 life and draw a
card at the beginning of their upkeep.
Curse- At the beginning of each upkeep,
enchanted player loses 1 life and you gain 1 life.
Whenever enchanted player loses any amount of
life, add that many {b}.