Broadside Bombardiers and Gut, True Soul Zealot have been pre-banned already, but there are plenty of absurd cards that are legal
The upside of this card is the chance to manifest one of your opponents best creatures
Anchor to Reality Angler's Shield Assassin Gauntlet Assimilation Aegis Astrologian's Planisphere Bespoke B Biorganic Carapace Blade of Shared Souls Candlestick Captain America, First Avenger Carry Away Cirina Bargainspinner Cryptic Coat Cursed Windbreaker Deadeye Quartermaster Disarm Falcon's Wing Harness Fumble Galea, Kindler of Hope Giant's Amulet Grip of Phyresis Guardians of Oboro Illvoi Light Jammer Iron Man, Armored Avenger Kumonosu, the Watchful Mantle of Tides March of the Machines Mobile Clone Mystery Key Noctis, Heir Apparent Ratonhnhak:ton Rune of Flight SP Piloted by Peni Sage's Nouliths Skyward Spider Sokka and Suki Stolen Uniform Subgoyf (playtest) Sun-Spider, Nimble Webber Super Suit Tamiyo's Compleation Tetsuo, Imperial Champion The Invincible Iron Man The Mighty Thor, Jane Foster Thief's Knife Thieving Skydiver Wonderweave Aerialist
The draw card option on Cryptic is a big part of that and is the equivalent of the discard on Kolghan's
The Deck (the original deck which personified the card-advantage strategy) packed the Tome as a way to gain card advantage steadily throughout the game