In a multiplayer game, if a player leaves the game, all cards that player owns leave as well. If you leave the game, the permanent you control from Beacon of Unrest is exiled.
07-08-2020
wotc
If the target card is an illegal target by the time Beacon of Unrest tries to resolve, the spell won't resolve. You won't shuffle it into your library.
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.