Every distinct wording since 2010, newest first.
April 27, 2018 · Dominaria
To determine whether a player can play a land, compare the number of lands the player can play this turn with the number of lands they have already played this turn (including lands played as special actions and lands played during the resolution of spells and abilities). If the number of lands the player can play is greater, the play is legal.
July 13, 2013 · Magic 2014
To determine whether a player can play a land, compare the number of lands the player can play this turn with the number of lands he or she has already played this turn (including lands played as special actions and lands played during the resolution of spells and abilities). If the number of lands the player can play is greater, the play is legal.