+1: Draw a card.
+1: Untap all creatures you control.
−9: Gain control of up to three target creatures.
9/29/2017 The control-change effect of Jace’s last ability lasts indefinitely. It doesn’t wear off during the cleanup step or when you lose control of Jace.
9/29/2017 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.