Triskaidekaphobia [Shadows over Innistrad]

Set: Shadows over Innistrad Type: Enchantment Rarity: Rare Cost: {3}{B} At the beginning of your upkeep, choose one —• Each player with exactly 13 life loses the game, then each player gains 1 life.• Each player with exactly 13 life loses the game, then each player loses 1 life.