The ability triggers at the end of Captivating Glance's controller's turn. "You" refers to the controller of Captivating Glance, not the controller of the enchanted creature.
2007-10-01 • wotc
The opponent you clash with doesn't have to be the controller of the enchanted creature.
2007-10-01 • wotc
If you win the clash, you gain control of the enchanted creature. If you don't win the clash, the other player gains control of the enchanted creature (even if that player didn't win the clash either).
2007-10-01 • wotc
Captivating Glance's controller never changes as a result of this card.
2007-10-01 • wotc
Captivating Glance may cause a player to gain control of a creature they already control. This layers a new control effect on that creature, but doing so rarely has any visible effect.
2007-10-01 • wotc
Captivating Glance's control-change effect continues to apply even if Captivating Glance leaves the battlefield.
2007-10-01 • wotc