Dependable Quinjet

Vehicles almost never make mana, and the reason is structural: a Vehicle sits inert until crewed, so any tapped ability on one has to answer why you'd buy a rock that can't do its job until a creature animates it. This design ducks that question entirely. The tap-for-any-color ability works whether or not the Vehicle is crewed, so the resting state is a three-mana rainbow rock that happens to carry an evasive body you can throw into the red zone when you have creatures to spare. Crew 4 is the price of that flexibility: the flying 3/3 attacker exists, but switching it on demands four power's worth of tappers, and animating it means committing those bodies rather than leaving them free, so you rarely produce mana and swing off the same permanent on the same turn. The two modes compete for one card, and the friction is the whole point rather than a flaw to apologize for. What you're building around is a rainbow source that can pivot into pressure or a flying blocker in the late game once the fixing stops mattering, without needing a second card to do it. Any-color fixing stapled to a flyer is genuinely awkward to price; tying the color access to the untapped Vehicle while gating the beats behind a heavy crew number keeps the two jobs from stacking into something that outclasses a plain rock at both ends.