If Ride the Shoopuf becomes a creature but you haven't controlled it continuously since your most recent turn began, you won't be able to attack with it that turn
As such, it was a real surprise when they managed to not only land the Disney license for a card game, but actually deliver an easy-to-access and fun to play TCG in the form of Disney Lorcana

3 Memories of Nibelheim (Stroke of Midnight) Gilgamesh, Weapon Collector (Godo, Bandit Warlord) Noctis Lucis Caelum (Kenrith, the Returned King) Omega, the Heartless Clash of the Eikons Stolen Uniform The Wind Crystal Hero of Light Vaan, Aspiring Sky Pirate Clive Rosfield Wild Rose Rebellion Crystal of Altar Cave To the Crystal Tower Kefka Palazzo Darkness of Eternity FalCie Paradise Newfound Adventure Blessing of the Oracle Astral Titan Benedikta Harman Kefkas Tower Battle at the Big Bridge Princess Sarah Lindblum, Industrial Regency Ambrosia Whiteheart Ardyn Izunia Barnabas Tharmr A Promise Fulfilled Shadow Lord (Gix, Yawgmoth Praetor) Shantottos Compulsion (Diabolic Intent) Adventurers of Vanadiel (Laboratory Maniac) Tidus, Zanarkand Fayth Luka Stadium The Strahl Lightning, Lone Commando Cecil Harvey Warrior of Light Mizzixs Mastery Lightning Bolt Venser, Shaper Savant Mangara, the Diplomat Yawgmoth, Thran Physician Urza, Lord High Artificer Emet-Selch, Ascian Orphan, Cocoon falCie Vayne Carudas Solidor Baron Rivalry Balamb Garden Squall Leonhart Hugo Kupka Vincent Valentine Jecht, Reluctant Guardian Kain, Traitorous Dragoon Bartz Klauser Ultima, Origin of Oblivion Summon Leviathan In Search of the Frozen Esper (Natures Claim) Shadowbringers (Dovins Veto) Till The End

This will be heavily abused in Commander and it will likely be the broken Esper Sentinel or Hullbreacher of this set
Takenuma, Abandoned Mire Theres a catchphrase in pro sports that says the best ability is availability
If you can resolve a City of Solitude, that means you are free to resolve whatever you want