The Last Ride gets -X/-X, where X is your life total.
, Pay 2 life: Draw a card.
Crew 2

Indestructible, haste
Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
, : Target creature with power 2 or less can't be blocked this turn.
Hazoret can't attack or block unless you have max speed.

Trample
Each other Vehicle and creature you control enters with an additional +1/+1 counter on it if its mana value is 4 or less. Otherwise, it enters with three additional +1/+1 counters on it.
Crew 3

As Mimeoplasm enters, exile up to X creature cards from your graveyard. It enters with three +1/+1 counters on it for each creature card exiled this way.
: Mimeoplasm becomes a copy of target creature card exiled with it, except it's 0/0 and has this ability.

Menace, lifelink, indestructible
Ketramose can't attack or block unless there are seven or more cards in exile.
Whenever one or more cards are put into exile from graveyards and/or the battlefield during your turn, you draw a card and lose 1 life.

When this creature enters, create a 3/2 colorless Vehicle artifact token with crew 1.
Vehicles you control have flying.
Whenever one or more creatures you control with flying deal combat damage to a player, draw a card.

Lifelink, ward
When this creature enters, look at target player's hand. You may choose a card from it. If you do, that player discards that card, then draws a card.

As long as The Aetherspark is attached to a creature, The Aetherspark can't be attacked and has "Whenever equipped creature deals combat damage during your turn, put that many loyalty counters on The Aetherspark."
+1: Attach The Aetherspark to up to one target creature you control. Put a +1/+1 counter on that creature.
−5: Draw two cards.
−10: Add ten mana of any one color.

First strike, trample
When this creature enters, you may search your library for up to two artifact, creature, and/or enchantment cards with mana value 1 or less, reveal them, put them into your hand, then shuffle.

At the beginning of combat on your turn, choose up to one target Vehicle you control. Until end of turn, it becomes an artifact creature and gains haste.
+2: You may sacrifice an artifact or discard a card. If you do, draw a card.
0: Create a 3/2 colorless Vehicle artifact token with crew 1.
−7: You get an emblem with "Whenever an artifact you control enters, this emblem deals 3 damage to any target."

Menace, deathtouch
When this creature enters, put target creature card with mana value 4 or less from a graveyard onto the battlefield under your control with a finality counter on it. That creature gains menace, deathtouch, and haste. At the beginning of your next end step, exile that creature.

Flying, trample
Start your engines! (If you have no speed, it starts at 1. It increases once on each of your turns when an opponent loses life. Max speed is 4.)
At the beginning of your end step, you draw X cards and lose X life, where X is your speed.

Double strike
Prowess (Whenever you cast a noncreature spell, this creature gets +1/+1 until end of turn.)
When this creature enters, for each opponent, put up to one target nonland permanent that player controls into its owner's library third from the top.

Reach, trample, indestructible
Sab-Sunen can't attack or block unless it has an even number of counters on it. (Zero is even.)
At the beginning of your first main phase, put a +1/+1 counter on Sab-Sunen. Then if it has an odd number of counters on it, draw two cards.

Other artifact creatures you control get +2/+2.
Whenever this Vehicle attacks, return up to one target artifact card from your graveyard to the battlefield.
Crew 6

Double strike, vigilance, haste
Exhaust — , : Add three mana of any one color. (Activate each exhaust ability only once.)
Exhaust — , : Draw three cards.
Exhaust — , : Loot deals 3 damage to any target.

Vigilance, menace
When this creature enters, other creatures you control get +2/+2 and gain vigilance and menace until end of turn. Damage can't be prevented this turn.

, Sacrifice one or more artifacts: Choose a color. Target player adds three mana of the chosen color for each artifact sacrificed this way.

Creatures you control have base power and toughness 6/6 and are Oozes in addition to their other types.
Whenever an opponent casts a spell, if it's not their turn, you create a 3/3 green Elephant creature token.

Flying, first strike, lifelink
Crew 3
Cycling (, Discard this card: Draw a card.)
When you cycle this card, create X 1/1 colorless Pilot creature tokens with "This token saddles Mounts and crews Vehicles as though its power were 2 greater."