It gains You cant lose the game and your opponents cant win the game. Activate only as a sorcery
Madison Li, which generates energy as you cast artifacts, then converts that energy into various advantages
Core deck archetypes: Ponza, aggro, turn-one combo, and stompy
There may also be a few new cards mixed in as well, though this isn't confirmed

It may give your opponent a chance as well, but it will also give you a chance to draw key cards that can break through their defenses. Forbidden/Limited List for Legend Anthology: Forbidden: Igknight Cavalier Igknight Crusader Igknight Gallant Igknight Margrave Igknight Paladin Igknight Squire Igknight Templar Igknight Veteran Qliphort Scout Abominable Unchained Soul Ad Libitum of Despia Adamancipator Analyzer Adamancipator Researcher Adamancipator Seeker Alpha, the Master of Beasts Aluber the Jester of Despia Amano-Iwato Anchamoufrite Ancient Warriors Ingenious Zhuge Kong Ancient Warriors Loyal Guan Yun Ancient Warriors Masterful Sun Mou Ancient Warriors Rebellious Lu Feng Ancient Warriors Virtuous Liu Xuan Archlord Kristya Archnemeses Eschatos Archnemeses Protos Armed Samurai Ben Kei Aromage Laurel Aromaseraphy Angelica Artifact Lancea Artifact Scythe Ash Blossom & Joyous Spring Barrier Statue of the Abyss Barrier Statue of the Drought Barrier Statue of the Heavens Barrier Statue of the Inferno Barrier Statue of the Torrent Beetrooper Scout buggy Beetrooper Sting Lancer Black Draogn Collapserpent Block Dragon Cactus Bouncer Chamber Dragonmaid Chaos Dragon Levianeer Cyber-Stein Danger

Mostly it is a combination of his high potential power scaling well into the game combined with a lack of any drawback what so ever that make him so very good