If an object has an ability printed on it that causes a player to pay a variable additional cost as it’s cast and an ability printed on it that refers to the cost paid “as [this object] was cast,” these abilities are linked. The second refers only to the value chosen for the cost listed in the first as the object was cast as a spell. See rule 601.2b.
April 22, 2021 · Strixhaven
The two abilities represented by the champion keyword are linked abilities. See rule 702.72, “Champion.”
May 3, 2019 · War of the Spark
The two abilities represented by the champion keyword are linked abilities. See rule 702.71, “Champion.”
January 25, 2019 · Ravnica Allegiance
The two abilities represented by the champion keyword are linked abilities. See rule 702.71, "Champion."
May 1, 2014 · Journey into Nyx
The two abilities represented by the champion keyword are linked abilities. See rule 702.71, “Champion.”
July 13, 2013 · Magic 2014
The two abilities represented by the champion keyword are linked abilities. See rule 702.71, "Champion."
September 30, 2011 · Innistrad
The two abilities represented by the champion keyword are linked abilities. See rule 702.70, "Champion."
June 17, 2011 · Commander 2011
The two abilities represented by the champion keyword are linked abilities. See rule 702.70,
May 1, 2011 · New Phyrexia
The two abilities represented by the champion keyword are linked abilities. See rule 702.69, "Champion."