Hello everyone,
Here's an interesting situation for you. If Maester Luwin and Bran are in play, and the opponent plays the First Snow plot, if you put Maester Luwin back into your hand first, is Bran still immune to the plot effect?
My logic is, since Bran is still immune--under Maester Luwin--the only person needed to satisfy the plot would be Maester Luwin. However, once Luwin is back in your hand, does the plot effect still include Bran?