!start your engines

Sorcery

Vehicles you control become artifact creatures until end of turn. Creatures you control get +2/+0 until end of turn.

Inventors from around the world have come to the Fair hoping their creations will fly, drive, or sail their way to a top prize.

2016-09-20 The set of Vehicles and creatures affected by Start Your Engines is determined as the spell resolves. Creatures you begin to control later in the turn won't get +2/+0, and Vehicles you begin to control later in the turn won't automatically become creatures and won't get +2/+0.
2016-09-20 Vehicles you control become artifact creatures and then also get +2/+0.

mtg.wtf