Rule evolution
Rule 702.65b
Previously numbered 702.62b, 702.63b, 702.64b.
Earliest archived Rules release: 2009-10-01 · 0 wording revisions · 3 renumberings
Earliest archived Rules release702.62bDetails
If either half of the exchange can't be completed, the ability has no effect. Example: You activate the aura swap ability of an Aura. The only Aura card in your hand can't enchant the permanent that's enchanted by the Aura with aura swap. The ability has no effect. Example: You activate the aura swap ability of an Aura that you control but you don't own. The ability has no effect.
Renumbered
702.62b→ 702.63bDetailsPreviously
7. Additional Rules
702. Keyword AbilitiesThen
7. Additional Rules
702. Keyword AbilitiesIf either half of the exchange can't be completed, the ability has no effect. Example: You activate the aura swap ability of an Aura. The only Aura card in your hand can't enchant the permanent that's enchanted by the Aura with aura swap. The ability has no effect. Example: You activate the aura swap ability of an Aura that you control but you don't own. The ability has no effect.
Renumbered
702.63b→ 702.64bDetailsPreviously
7. Additional Rules
702. Keyword AbilitiesThen
7. Additional Rules
702. Keyword AbilitiesIf either half of the exchange can't be completed, the ability has no effect. Example: You activate the aura swap ability of an Aura. The only Aura card in your hand can't enchant the permanent that's enchanted by the Aura with aura swap. The ability has no effect. Example: You activate the aura swap ability of an Aura that you control but you don't own. The ability has no effect.
Renumbered
702.64b→ 702.65bDetailsPreviously
7. Additional Rules
702. Keyword AbilitiesThen
7. Additional Rules
702. Keyword AbilitiesIf either half of the exchange can’t be completed, the ability has no effect. Example: You activate the aura swap ability of an Aura. The only Aura card in your hand can’t enchant the permanent that’s enchanted by the Aura with aura swap. The ability has no effect. Example: You activate the aura swap ability of an Aura that you control but you don’t own. The ability has no effect.