History of CR 702.20a

Every distinct wording since 2010, newest first.

July 13, 2013 · Magic 2014
Vigilance is a static ability that modifies the rules for the declare attackers step.
June 17, 2011 · Commander 2011
Banding is a static ability that modifies the rules for combat.
April 1, 2011 · Duel Decks: Knights vs. Dragons
Rampage is a triggered ability. "Rampage N" means "Whenever this creature becomes blocked, it gets +N/+N until end of turn for each creature blocking it beyond the first." (See rule 509, "Declare Blockers Step.")
February 4, 2011 · Mirrodin Besieged
Rampage is a triggered ability. “Rampage N” means “Whenever this creature becomes blocked, it gets +N/+N until end of turn for each creature blocking it beyond the first.” (See rule 509, “Declare Blockers Step.”)
October 1, 2010 · Scars of Mirrodin
Rampage is a triggered ability. “Rampage N” means “Whenever this creature becomes
February 1, 2010 · Worldwake
Rampage is a triggered ability. "Rampage N" means "Whenever this creature becomes blocked, it gets +N/+N until end of turn for each creature blocking it beyond the first." (See rule 509, "Declare Blockers Step.")