Historical Rules · 17 June 2011
Rule 810.9e
Official source text from the 17 June 2011 Rules release
A player can't exchange life totals with his or her teammate. If an effect would cause that to occur, the exchange won't happen.
Historical Rules · 17 June 2011
Official source text from the 17 June 2011 Rules release
A player can't exchange life totals with his or her teammate. If an effect would cause that to occur, the exchange won't happen.