It's advice that Brown echoes, saying that local game stores should "consider reserving some Play Boosters to use for play throughout the season if [they] anticipate running out ahead of time."
Meloetta ex 167/86 Loading
It doesn't just repeat what worked in classic sets it embraces it and adds to it

Ancient Brass Dragon Ancient Bronze Dragon Ancient Copper Dragon Ancient Copper Dragon Ancient Gold Dragon Ancient Silver Dragon Ao, the Dawn Sky Arcades, the Strategist Atsushi, the Blazing Sky Avaricious Dragon Balefire Dragon Beledros Witherbloom Betor, Ancestor's Voice Betor, Kin to All Bogardan Hellkite Bone Dragon Bonehoard Dracosaur Capricious Hellraiser Chiss-Goria, Forge Tyrant Chromium, the Mutable Clarion Conqueror Darigaaz Reincarnated Defiant Thundermaw Dragon Broodmother Dragonhawk, Fate's Tempest Dragonlord Atarka Dragonlord Dromoka Dragonlord Kolaghan Dragonlord Ojutai Dragonlord Silumgar Ebondeath, Dracolich Firkraag, Cunning Instigator Furyborn Hellkite Galazeth Prismari Goldspan Dragon Hellkite Courser Hellkite Overlord Hellkite Tyrant Herigast, Erupting Nullkite Icingdeath, Frost Tyrant Incinerator of the Guilty Inferno of the Star Mounts Iymrith, Desert Doom Jugan, the Rising Star Junji, the Midnight Sky Kairi, the Swirling Sky Karrthus, Tyrant of Jund Keiga, the Tide Star Klauth, Unrivaled Ancient Kokusho, the Evening Star Korvold, Fae-Cursed King Korvold, Gleeful Glutton Kura, the Boundless Sky Leyline Tyrant Lorehold, the Historian Malfegor Manaform Hellkite Mirrorwing Dragon Moonveil Dragon Moonveil Regent Murktide Regent Neriv, Crackling Vanguard Neriv, Heart of the Storm Nicol Bolas, the Ravager Niv-Mizzet Reborn Niv-Mizzet, Dracogenius Niv-Mizzet, Visionary Niv-Mizzet, the Firemind North Wind Avatar O-Kagachi Made Manifest O-Kagachi, Vengeful Kami Old Gnawbone

Edmund only got one card, so he wanted to (rightfully so) add a little more
Number 35: Ravenous Tarantula and Number 84: Pain Gainer have very similar designs and the same stats, but differ in their effects and being one rank apart (35 being Rank 10 and 84 being Rank 11)