Because damage remains marked on a creature until it's removed as the turn ends, nonlethal damage dealt to Tuvasa may become lethal if some of your enchantments leave the battlefield during that turn.
13-07-2018
wotc
Tuvasa's triggered ability resolves before the spell that caused it to trigger. It resolves even if that spell is countered.
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.