
Afterburner Expert | Creature | Goblin Artificer | Exhaust — {2}{G}{G}: 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. | April Prime
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Elvish Refueler | Creature | Elf Druid | During your turn, as long as you haven't activated an exhaust ability this turn, you may activate exhaust abilities as though they haven't been activated.
Exhaust — {1}{G}: Put a +1/+1 counter on this creature. (Activate each exhaust ability only once.) | Carly Milligan
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Loxodon Surveyor | Creature | Elephant Scout | 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.)
Max speed — {3}, Exile this card from your graveyard: Draw a card. | J.P. Targete
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Pothole Mole | Creature | Mole | When this creature enters, mill three cards, then you may return a land card from your graveyard to your hand. (To mill three cards, put the top three cards of your library into your graveyard.) | Daren Bader
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Regal Imperiosaur | Creature | Dinosaur | Other Dinosaurs you control get +1/+1. | Stephanie Cheung
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Veteran Beastrider | Creature | Human Knight | At the beginning of your end step, untap each creature you control.
{2}{G}{W}: Creatures you control get +1/+1 until end of turn. | Andreia Ugrai
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Boom Scholar | Creature | Goblin Advisor | Exhaust abilities of other permanents you control cost {2} less to activate.
Exhaust — {4}{R}{G}: Creatures and Vehicles you control gain trample until end of turn. Put two +1/+1 counters on this creature. (Activate each exhaust ability only once.) | Brian Valeza
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Mimeoplasm, Revered One | Legendary Creature | Ooze | 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.
{2}: Mimeoplasm becomes a copy of target creature card exiled with it, except it's 0/0 and has this ability. | Ron Spencer