The next time a source of your choice would deal damage to you and/or creatures you control this turn, prevent that damage. If damage from a black source is prevented this way, you gain that much life.
Light creates shadow; light destroys shadow. Such is the transience of darkness.
This only prevents damage the chosen source would deal to you or a creature you control. If the creature would deal damage to another player, a planeswalker, or a creature you don’t control, it does not get prevented.
Random a card of Magic: The Gathering (MTG), but you can also roll the D20 dice, random a Planeswalker, have fun with the random rules and more.