I couldn't find the document, but sometime during 1994 the Duelists' Convocation put out the very first mulligan rule
These tournaments offer an exciting opportunity to showcase your skills, meet fellow Pokmon enthusiasts, and vie for remarkable prizes, including booster packs from the coveted Pokmon 151 set
Additionally, Active Pokmon afflicted with status conditions will have those statuses removed upon successfully returning to the bench
Many times I will have 6+ large sea monsters on the battlefield and then cast Shamanic Revelation
Clues then became a major theme of Murders at Karlov Manor , where Clues and investigating show up on a wide range of cards (including artifact lands and equipment that are Clues) and were central to one of the Commander precons, Deep Clue Sea , which is literally described as Clue Tokens / Card Advantage on the box