Forum:Face-down card rulings

According to the wikia "Face-down cards have no properties (name, Attribute, Type, Level/Rank, ATK, DEF, effect) until they are changed to face-up." So then how can anyone do any of the following: And all other events like the 3 above. TheGameRogue (talk • contribs) 05:31, January 11, 2016 (UTC)
 * Tribute a face-down Majespecter monster for the effect of a Majespecter Spell/Trap card.
 * Use Shaddoll Fusion to fuse face-down Shaddoll monsters.
 * Activate Icarus Attack by tributing a face-down Winged Beast-Type monster.