Saving Throw

Cast this spell only in response to damage that
would reduce your life total to 0.
You are unable to take damage, be the target of spells/abilities, or cast spells/use abilities until your next upkeep. At the start of your upkeep, roll a D20.

•1-10: You lose the game.
•11-20: Set your life total to 1 and continue your turn as normal.