It's not so hard or broken for your opponents to stop, they just need to deal with you one turn at a time

Madison Li 1 Liberty Prime, Recharged 1 Automated Assembly Line 1 Brotherhood Scribe 1 Overencumbered 1 The Prydwen, Steel Flagship 1 Sentry Bot 1 Dweller's Journey 1 Curie, Emergent Intelligence 1 James, Wandering Dad 1 Nick Valentine, Private Eye 1 Synth Infiltrator 1 Assaultron Dominator 1 The Motherlode, Excavator 1 Plasma Caster 1 Synth Eradicator 1 Arcade Gannon 1 Electrosiphon 1 Red Death, Shipwrecker 1 Rex, Cyber-Hound 1 Sentinel Sarah Lyons 1 Shaun, Father of Synths 1 Sadistic Simulation 1 Brotherhood Vertibird 1 T-45 Power Armor 1 Ferrous Lake 1 HELIOS One 1 Austere Command 1 Open the Vaults 1 Mechanized Production 1 One with the Machine 1 Wake the Past 1 Mystic Forge 1 Panharmonicon 1 Solemn Simulacrum 1 Steel Overseer 1 Clifftop Retreat 1 Exotic Orchard 1 Glacial Fortress 1 Irrigated Farmland 1 Prairie Stream 1 Skycloud Expanse 1 Spire of Industry 1 Sulfur Falls 1 Temple of Enlightenment 1 Temple of Epiphany 1 Treasure Vault 1 Paladin Danse, Steel Maverick 1 Nerd Rage 1 Robobrain War Mind 1 Bottle-Cap Blast 1 Elder Owyn Lyons 1 Behemoth of Vault 0 1 C.A.M.P

One Ring to Rule Them All One Ring to Rule Them All is better than every other card on this list, but gets mentioned because nonlegendary is no joke in this set
In Sealed Deck events, before each game, choose up to three sticker sheets from among those you opened
This makes for a great defensive ability, with Dihada having protection from permanents with corruption counters on them
Maybe Gaeas Cradle is a $50 card in that alternate world