banned because you think I don't know that.
If I remember right that had to do with Nicol bolas.
Also while we are at the subject can we just say that he can look in the future or is all knowing?
Because if I remember right he is the one that let Chandra steal something to get jace follow her to the eye of urgin.
He also knew that Chandra would use a specific spell to defend her self agaians Jace and thus needed sharkan there. As he knew that a total of 3 planeswalkers where needed + said spell.