Balancing, imagine if you had Morphun and Eklore in the same hand, would be extremely unfair to your opponent.
Thats why it exists, to make you have only one Leader in your deck.
What do you mean? Like trying to find a way to activate them both at the same time? I don't think you can do that.
Protection only activates if it
Against Stop Opp Ability (Protection: Ability)
Against Stop Opp Bonus (Protection: Bonus
Against Power or Damage Reducers (Protection: Power, Protection: Damage or Protection: Power And Damage