Gorgoroth, Prince of Legions

Flying, Trample, Lifelink
Pay X life: search your library for a Demon
creature card with power X and put it onto the
battlefield tapped. Activate this ability only once
each turn.
Gorgoroth, Prince of Legions has Shroud as long
as it's untapped.
Gorgoroth, Prince of Legions cant's attack unless
two or more other Demons are attacking.