Draconautics Engineer

Exhaust — : Other creatures you control gain haste until end of turn. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)
Exhaust — : Create a 4/4 red Dinosaur Dragon creature token with flying.

Stampeding Scurryfoot

Exhaust — : Put a +1/+1 counter on this creature. Create a 3/3 green Elephant creature token. (Activate each exhaust ability only once.)

Greasewrench Goblin

Exhaust — : Discard up to two cards, then draw that many cards. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)

Winter, Cursed Rider

Ward—Pay 2 life.
Artifacts you control have “Ward—Pay 2 life.”
Exhaust — , , Exile X artifact cards from your graveyard: Each other nonartifact creature gets -X/-X until end of turn. (Activate each exhaust ability only once.)

Rocketeer Boostbuggy

Whenever this Vehicle attacks, create a Treasure token. (It’s an artifact with “, Sacrifice this token: Add one mana of any color.”)
Exhaust — : This Vehicle becomes an artifact creature. Put a +1/+1 counter on it. (Activate each exhaust ability only once.)
Crew 1

Loot, the Pathfinder

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.

Peema Trailblazer

Trample
Whenever this creature deals combat damage to a player, you get that many (energy counters).
Exhaust — Pay six : Put two +1/+1 counters on this creature. Then draw cards equal to the greatest power among creatures you control. (Activate each exhaust ability only once.)

Riverchurn Monument

, : Any number of target players each mill two cards. (Each of them puts the top two cards of their library into their graveyard.)
Exhaust — , : Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.)

Loot, the Pathfinder

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.

Skyserpent Seeker

Flying, deathtouch
Exhaust — : Reveal cards from the top of your library until you reveal two land cards. Put those land cards onto the battlefield tapped and the rest on the bottom of your library in a random order. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)

Boommobile

When this Vehicle enters, add four mana of any one color. Spend this mana only to activate abilities.
Exhaust — : This Vehicle deals X damage to any target. Put a +1/+1 counter on this Vehicle. (Activate each exhaust ability only once.)
Crew 2

Mindspring Merfolk

Exhaust — , : Draw X cards. Put a +1/+1 counter on each Merfolk creature you control. (Activate each exhaust ability only once.)

Rangers’ Refueler

Whenever you activate an exhaust ability, draw a card.
Exhaust — : This Vehicle becomes an artifact creature. Put a +1/+1 counter on it. (Activate each exhaust ability only once.)
Crew 2

Marshals’ Pathcruiser

When this Vehicle enters, search your library for a basic land card, reveal it, put it into your hand, then shuffle.
Exhaust — : This Vehicle becomes an artifact creature. Put two +1/+1 counters on it. (Activate each exhaust ability only once.)
Crew 5

Peema Trailblazer

Trample
Whenever this creature deals combat damage to a player, you get that many (energy counters).
Exhaust — Pay six : Put two +1/+1 counters on this creature. Then draw cards equal to the greatest power among creatures you control. (Activate each exhaust ability only once.)

Keen Buccaneer

Vigilance
Exhaust — : Draw a card, then discard a card. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)

Loot, the Pathfinder

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.

Boommobile

When this Vehicle enters, add four mana of any one color. Spend this mana only to activate abilities.
Exhaust — : This Vehicle deals X damage to any target. Put a +1/+1 counter on this Vehicle. (Activate each exhaust ability only once.)
Crew 2

Riverchurn Monument

, : Any number of target players each mill two cards. (Each of them puts the top two cards of their library into their graveyard.)
Exhaust — , : Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.)

Sita Varma, Masked Racer

Exhaust — : Put X +1/+1 counters on Sita Varma. Then you may have the base power and toughness of each other creature you control become equal to Sita Varma’s power until end of turn. (Activate each exhaust ability only once.)

Afterburner Expert

Exhaust — : Put two +1/+1 counters on this creature. (Activate each exhaust ability only once.)
Whenever you activate an exhaust ability, return this card from your graveyard to the battlefield.

Draconautics Engineer

Exhaust — : Other creatures you control gain haste until end of turn. Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.)
Exhaust — : Create a 4/4 red Dinosaur Dragon creature token with flying.

Sita Varma, Masked Racer

Exhaust — : Put X +1/+1 counters on Sita Varma. Then you may have the base power and toughness of each other creature you control become equal to Sita Varma’s power until end of turn. (Activate each exhaust ability only once.)

Riverchurn Monument

, : Any number of target players each mill two cards. (Each of them puts the top two cards of their library into their graveyard.)
Exhaust — , : Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.)