18 Jul 2014
Exiling the Soul from your graveyard is part of the last ability's activation cost. A player can't remove the Soul in response to prevent you from activating the ability.
18 Jul 2014
To determine how many cards to draw, count the number of colors among permanents you control as either activated ability resolves. You'll draw between zero and five cards.
18 Jul 2014
You can activate the last ability only if the Soul is in your graveyard.