Triskaidekaphobia

Triskaidekaphobia {3}{B}

Enchantment
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.
Set: [PSOI] Shadows over Innistrad Promos ( R · #141s )