Kydele and Ravos both have soft synergy with cycling but this also makes them very flexible
Not to mention the final printing of the original Dual Lands
CEDH Decks are built to win in the competitive metagame
A card like Gollum, Scheming Guide is just fun as your commander
Planeswalkers (18) 2 Karn, Scion of Urza 1 Teferi, Hero of Dominaria 4 Teferi, Time Raveler 3 Saheeli, Sublime Artificer 4 Narset, Parter of Veils 4 Sarkhan the Masterless Lands (25) Spells (17) Sideboard Planeswalkers (19) 4 Teferi, Hero of Dominaria 2 Dovin, Hand of Control 1 Liliana, Dreadhorde General 4 Teferi, Time Raveler 3 Kasmina, Enigmatic Mentor 4 Narset, Parter of Veils 1 Ugin, the Ineffable Lands (25) Spells (16) Players wont end up at the same place, though, at least not at first
Its expensive as a 3-mana do-nothing aura, but later in the game, getting one (or more) Tarmogoyf tokens every turn pays off