An ability that triggers whenever a player surveils triggers after the process described in rule 701.25a is complete, even if some or all of those actions were impossible.
September 30, 2016 · Kaladesh
rule 701.25d not present in this release
April 8, 2016 · Shadows over Innistrad
If a spell or ability instructs a player to transform a permanent, and the face that permanent would transform into is represented by an instant or sorcery card face, nothing happens.
May 1, 2014 · Journey into Nyx
Some triggered abilities trigger when an object “transforms into” an object identified by name. Such an ability triggers only if that object didn’t have the specified name immediately before the transform instruction and does have the specified name immediately after the transform instruction.
February 1, 2014 · Born of the Gods
Some triggered abilities trigger when an object "transforms into" an object identified by name. Such an ability triggers only if that object didn’t have the specified name immediately before the transform instruction and does have the specified name immediately after the transform instruction.
October 1, 2012 · Return to Ravnica
Some triggered abilities trigger when an object "transforms into" an object identified by name. Such an ability triggers only if that object didn't have the specified name immediately before the transform instruction and does have the specified name immediately after the transform instruction.