Rule evolution
Rule 107.3e
Earliest archived Rules release: 2020-09-25 · 1 wording revision · 0 renumberings
Added107.3eDetails
If a spell or ability refers to the {X} or X in the mana cost, alternative cost, additional cost, or activation cost of another object, any X in that spell or ability’s text uses the value of X chosen or defined for the other object.
Wording changed107.3eDetails
If a spell or ability refers to the {X} or X in the mana cost, alternative cost, additional cost, or activation cost of another object, any X in that spell or ability's text uses the value of X
chosenusedorbydefined forthe other object.