Rule evolution
Rule 603.7d
Earliest archived Rules release: 2009-10-01 · 1 wording revision · 0 renumberings
Earliest archived Rules release603.7dDetails
The source of a delayed triggered ability created by a spell is that spell. The source of a delayed triggered ability created by another ability is the same as the source of that other ability. The controller of a delayed triggered ability is the same as the controller of the spell or ability that created it, even if that player no longer controls its source.
Wording changed603.7dDetails
TheIfsourceaofspell creates a delayed triggered ability,createdthebysourceaofspellthat delayed triggered ability is that spell.The source of a delayed triggered ability created by another ability is the same as the source of that other ability.The controller of that delayed triggered ability is the player who controlled that spell as it resolved.The controller of a delayed triggered ability is the same as the controller of the spell or ability that created it, even if that player no longer controls its source.