Nick Fury, of marvel

when Nick Fury captain of marvel enters the battlefield you may
sacrifice a creature, if you do reveal the top
ten cards of you library and put all dragon,
demon, and angels onto the battlefield.
whenever Nick Fury captain of marvel
attacks you may pay {x}, if you do reveal
the top {x} cards of you library if there is a
Dragon,demon, or angel put it onto the
battlefield tapped and attacking