the activated effect becomes "Change 1 face-up monster your opponent controls to face-down Defense Position"

Advanced Search Sets Random Syntax Atogatog Begin the Invasion Call the Spirit Dragons Child of Alara Chromanticore Coalition Victory Conflux Cosmic Spider-Man Cromat Fusion Elemental Garth One-Eye Genju of the Realm Heroes in a Half Shell Horde of Notions Infinite Guideline Station Invasion of Alara Iridian Maelstrom Jared Carthalion Jodah, the Unifier Jodah, the Unifier Karona, False God Last Stand Leyline of the Guildpact Maelstrom Archangel Maelstrom Nexus Marina Vendrell Mass of Mysteries Meeting of the Five Niv-Mizzet Reborn Niv-Mizzet, Guildpact Niv-Mizzet, Supreme O-Kagachi, Vengeful Kami Omnath, Locus of All Primeval Spawn Progenitus Reaper King Rukarumel, Biologist Sanctum of All Scion of the Ur-Dragon Scions of the Ur-Spider Sliver Gravemother Sliver Hivelord Sliver Legion Sliver Overlord Sliver Queen The First Sliver The Kami War The Prismatic Bridge The Ur-Dragon Tiamat Tom Bombadil Two-Headed Hellkite Unite the Coalition Urza, Academy Headmaster

It reveals all cards in the opponent's hand, which is more powerful than it looks
With the release of the new set Duskmourn: House of Horror, we are back again
Cathartic Reunion and Thrill of Possibility are more examples of this kind of card draw effect