Frankly, I would play this for it's first effect as is with all the mana rocks and Sol Rings in Commander
All the legends in these decks have a unified goal of working together within their decks theme and its fun building cards like this to have that creative team synergy, whether thats sayinteracting with counters in Final Fantasy X or playing with the graveyard in Final Fantasy VI
They mesh well with mechanics like foretell and plot that help to set up explosive double-spell turns
But Travelling Chocobo isn't just a mighty card for a bunch of MTG formats, Wizards of the Coast are also trying to set it up as this Magic: The Gathering set's main collectible
Remember that creatures with exploit can just sacrifice themselves, which makes them sort of modal cards
Teferi, Time Raveler Teferi, Time Raveler might be the most obnoxious planeswalker ever printed, which is an impressive achievement since it goes up against whoppers like Oko, Thief of Crowns and Narset, Parter of Veils