One of the three "Egyptian God Cards", Slifer the Sky Dragon is unusual in that its flavor text is printed as its "effect". Despite this obstacle, however, effects have been given to it in its video game appearances. "Slifer" was also released in the 7th Japanese Booster of Yu-Gi-Oh! Dungeon Dice Monsters. In addition to the effects above, the "Thousand Rules Bible" book (Japan only) offered the following: Note that "Slifer" was also released in the 7th Japanese Booster of Dungeon Dice Monsters.