For me at least, an occupied mind is a distracted mind
So now with River Song that disadvantage since you cannot see them again is advantage and you draw them in the order you want
Acolyte of Affliction Arasta of the Endless Web Bronzehide Lion Chainweb Aracnir Destiny Spinner Dryad of the Ilysian Grove Eutropia the Twice-Favored Gallia of the Endless Dance Hyrax Tower Scout Ilysian Caryatid Ironscale Hydra Klothys, God of Destiny Loathsome Chimera Moss Viper Nessian Boar Nessian Hornbeetle Nessian Wanderer Nexus Wardens Nylea's Forerunner Nylea's Huntmaster Nylea, Keen-Eyed Nyx Herald Nyxbloom Ancient Nyxborn Colossus Pheres-Band Brawler Polukranos, Unchained Renata, Called to the Hunt Setessan Champion Setessan Petitioner Setessan Skirmisher Siona, Captain of the Pyleas Skola Grovedancer Treeshaker Chimera Uro, Titan of Nature's Wrath Voracious Typhon Warden of the Chained
Look at Canoptek Scarab Swarm for a similar version that synergizes with a different subset of decks
Palkia is #basic, which is a big advantage, but its energy hungry attack might be more trouble than its worth
Pokemon Center Original Card Sleeves Mega Greninja JAPAN OFFICIAL