Veteran Motorist

When Veteran Motorist enters, scry 2.
Whenever Veteran Motorist crews a Vehicle, that Vehicle gets +1/+1 until end of turn.

Sol Ring

Comet, Stellar Pup

0: Roll a six-sided die.
1 or 2 — [+2], then create two 1/1 green Squirrel creature tokens. They gain haste until end of turn.
3 — [−1], then return a card with mana value 2 or less from your graveyard to your hand.
4 or 5 — Comet, Stellar Pup deals damage equal to the number of loyalty counters on him to a creature or player, then [−2].
6 — [+1], and you may activate Comet, Stellar Pup's loyalty ability two more times this turn.

Speedway Fanatic

Haste
Whenever Speedway Fanatic crews a Vehicle, that Vehicle gains haste until end of turn.

Arcane Signet

{T}: Add one mana of any color in your commander's color identity.

Hotshot Mechanic

Hotshot Mechanic crews Vehicles as though its power were 2 greater.

Reckless Racer

First strike
Whenever Reckless Racer becomes tapped, you may discard a card. If you do, draw a card.

Talisman of Conviction

{T}: Add {C}.
{T}: Add {R} or {W}. Talisman of Conviction deals 1 damage to you.

Gearshift Ace

First strike
Whenever Gearshift Ace crews a Vehicle, that Vehicle gains first strike until end of turn.

Captain Rex Nebula

At the beginning of combat on your turn, choose target nonland permanent you control. Until end of turn, it becomes a Vehicle artifact with base power and toughness each equal to its mana value, and it gains crew 2 and "Crash Land — Whenever this Vehicle deals damage, roll a six-sided die. If the result is equal to this Vehicle's mana value, sacrifice this Vehicle, then it deals that much damage to any target."