Veteran Motorist

Oracle Text

When Veteran Motorist enters the battlefield, scry 2.

Whenever Veteran Motorist crews a Vehicle, that Vehicle gets +1/+1 until end of turn.

Card Rulings

9/20/2016 Veteran Motorist’s last ability triggers when it becomes tapped to activate a crew ability. Even if Veteran Motorist leaves the battlefield before its triggered ability resolves, that Vehicle still gets +1/+1 until end of turn.
9/20/2016 Veteran Motorist’s last ability resolves before the crew ability that it was tapped to activate. The +1/+1 bonus will be in effect as the Vehicle becomes an artifact creature.