If Fluros's middle ability causes a Vehicle to become an artifact creature, it doesn't count as "crewing" that Vehicle for any ability that would trigger off of a Vehicle becoming crewed
Graded Population Report: Zygarde GX #50 Visualize the distrbution of grades in the chart
Facilier, Charlatan 3x Magic Broom, Bucket Brigade 3x Minnie Mouse, Beloved Princess 2x Yzma, Alchemist Cost 3 Cards 3x Friends On The Other Side 2x Maleficent, Sorceress 2x Maximus, Relentless Pursuer 3x Mickey Mouse, True Friend 1x Part Of Your World 3x Rafiki, Mysterious Sage 3x The Wardrobe, Belle's Confidant Cost 4 Cards 2x Ariel, On Human Legs 2x Cinderella, Gentle and Kind 1x Hades, Lord of the Underworld 2x Hakuna Matata 2x Jafar, Wicked Sorcerer 2x Jetsam, Ursula's Spy 1x Mickey Mouse, Wayward Sorcerer - Foiled Cost 5 Cards 1x Flotsam, Ursula's Spy 1x Moana, Of Motunui - Foiled Cost 6 Cards 1x Sven, Official Ice Deliverer Cost 7 Cards 1x Dr
Terra must deal combat damage to a player, not merely attack, to trigger her second ability