The Silent One

All demons recieve Flying, Protection from white, and recieve +5/+5 as 'The Silent One' is on the field.
•Pay{b}{b}{b}, to make all demons you control unblockable this turn.
•Pay{5}{b}, to search your libary and one of your opponents libary for a demon and put it into play.
•Pay{10}{b}{b}{b}{b}{b}, to put three 7/7 demons with flying into play.