Mass Manipulation
Sorcery
Gain control of X target creatures and/or planeswalkers.
Those who cross the Dimir find enemies everywhere they turn.
Anthony Palumbo
Ravnica Allegiance (RNA)
• #42Rulings
In a multiplayer game, if a player leaves the game, all cards that player owns leave as well, and any effects that give the player control of permanents immediately end.
(wotc • 2019-01-25)
The control-change effect of Mass Manipulation lasts indefinitely. It doesn’t wear off during the cleanup step.
(wotc • 2019-01-25)
Rulings
In a multiplayer game, if a player leaves the game, all cards that player owns leave as well, and any effects that give the player control of permanents immediately end.
(wotc • 2019-01-25)
The control-change effect of Mass Manipulation lasts indefinitely. It doesn’t wear off during the cleanup step.
(wotc • 2019-01-25)