If an activated or triggered ability creates a delayed triggered ability, the source of that delayed triggered ability is the same as the source of that other ability. The controller of that delayed triggered ability is the player who controlled that other ability as it resolved.
June 17, 2011 · Commander 2011
If an activated or triggered ability creates a delayed triggered ability, the source of that
February 4, 2011 · Mirrodin Besieged
If an activated or triggered ability creates a delayed triggered ability, the source of that delayed triggered ability is the same as the source of that other ability. The controller of that delayed triggered ability is the player who controlled that other ability as it resolved.
October 1, 2010 · Scars of Mirrodin
If an activated or triggered ability creates a delayed triggered ability, the source of that
April 23, 2010 · Rise of the Eldrazi
If an activated or triggered ability creates a delayed triggered ability, the source of that delayed triggered ability is the same as the source of that other ability. The controller of that delayed triggered ability is the player who controlled that other ability as it resolved.