It has its uses, but they're probably limited to Limited
Access to red and white nets powerful payoff cards like Purphoros, God of the Forge and extra redundancy for token generation through cards like Saheeli, Sublime Artificer and Monastery Mentor
Crew 3 (Tap any number of creatures you control with total power 3 or more: This Vehicle becomes an artifact creature until end of turn.) Legendary Artifact - Vehicle Color tag templates(None) Smuggler's Copter Flying Whenever this Vehicle attacks or blocks, you may draw a card
This Arlinn can also transform into Arlinn, the Moon's Fury, a beefy Werewolf creature that helps you ramp with red and green mana
Being on a creature means it's easier to abuse with Blink (Brago, King Eternal) and trigger doubling (Panharmonicon), plus White has more ways to recur creatures than instants (Emeria, the Sky Ruin)