A Realm Reborn has some EDH appeal in go-wide decks that have ways to utilize excess mana
Youll be able to choose from Standard, Historic, and Traditional Standard
Go to the third chapter of the War of the Last Alliance to have your creatures gain double strike for a game-ending win condition
A card usually earns that status by being a power benchmark, the first clear example of an effect, a tournament-defining staple, or a card everyone references in conversation

Draconic Destruction Starter Commander Deck Atarka, World Render | Illustration by Camille Alquier Commander (1) Planeswalker (1) Creature (28) Akoum Hellkite Demanding Dragon Draconic Disciple Dragon Mage Dragonkin Berserker Dragonlord's Servant Dragonmaster Outcast Dragonspeaker Shaman Drakuseth, Maw of Flames Dream Pillager Drumhunter Flameblast Dragon Foe-Razer Regent Furnace Whelp Harbinger of the Hunt Hoard-Smelter Dragon Loaming Shaman Mordant Dragon Rapacious Dragon Runehorn Hellkite Sakura-Tribe Elder Savage Ventmaw Scourge of Valkas Steel Hellkite Thunderbreak Regent Thundermaw Hellkite Tyrant's Familiar Verix Bladewing Instant (8) Beast Within Blossoming Defense Hunter's Insight Magmaquake Provoke the Trolls Return to Nature Spit Flame Unleash Fury Sorcery (9) Chain Reaction Clan Defiance Cultivate Harmonize Hunter's Prowess Primal Might Shamanic Revelation Sweltering Suns Vandalblast Enchantment (6) Crucible of Fire Dragon Tempest Elemental Bond Fires of Yavimaya Frontier Siege Garruk's Uprising Artifact (7) Arcane Signet Atarka Monument Commander's Sphere Dragon's Hoard Sol Ring Swiftfoot Boots Talisman of Impulse Land (40) Cinder Glade Command Tower Forest x12 Game Trail Haven of the Spirit Dragon Kazandu Refuge Mountain x18 Path of Ancestry Rugged Highlands Shivan Oasis Temple of Abandon Timber Gorge I think all of the Starter Commander decks are pretty solid entry points for players

While we might be able to make UU into WWBB work, theres no way were doing WWBB into UUURRR