If all creatures blocking Plague Wight die, Plague Wight remains blocked. It won’t assign any combat damage.
25-01-2019
wotc
An ability that triggers when a creature becomes blocked triggers only once if two or more creatures block it.
25-01-2019
wotc
If Plague Wight leaves the battlefield while its triggered ability is on the stack, the creatures that were blocking it before it left the battlefield get -1/-1.
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.