The kid didnt know what he was doing, but he frivolously threw away hours of entertainment just like that
This card can be obtained via the Celebrations Ultra Premium Collection, and as those wont likely be reprinted, this card should hold up value overtime (despite the current downward trend in value)
This was changed in Kaldheim to make white more competitive in Commander

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

From Search for Blex and Blex, Vexing Pest Search for Blex : While resolving Search for Blex, you may put any number of the cards into your hand, even if you dont have enough life to cover it