Channel
Sorcery
Until end of turn, any time you could activate a mana ability, you may pay 1 life. If you do, add 
.
"As long as you are breathing, you always have something more to give." —Valentin, Witherbloom dean
Kristina Collantes
Rulings
Once your life total is 0, you can't pay any more life, even if you've somehow not lost the game yet.
(wotc • 2017-11-17)
Rulings
Once your life total is 0, you can't pay any more life, even if you've somehow not lost the game yet.
(wotc • 2017-11-17)