When Healing Potion enters, it
Specializes Over Time or Instant (If this permanent hasn't chosen a specialization, choose one of these choices)
Over Time —
When Healing Potion specializes Over Time, it gets three charge counters.
At the beginning of your upkeep, Healing Potion loses a charge counter. If it does, you gain 2 life. If Healing Potion has no charge counters, sacrifice it.
Instant —

,

, Sacrifice Healing Potion: You gain 4 life.