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Autarch Mammoth | Creature | Elephant Mount | When this creature enters and whenever it attacks while saddled, create a 3/3 green Elephant creature token.
Saddle 5 (Tap any number of other creatures you control with total power 5 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) | Leonardo Santanna
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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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Fang Guardian | Creature | Ape Druid | Flash
When this creature enters, another target creature or Vehicle you control gets +2/+2 until end of turn. | Jason A. Engle
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Fang-Druid Summoner | Creature | Ape Druid | Reach
When this creature enters, you may search your library and/or graveyard for a creature card with no abilities, reveal it, and put it into your hand. If you search your library this way, shuffle. | Nino Is
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Greenbelt Guardian | Creature | Elf Ranger | {G}: Target creature gains trample until end of turn.
Exhaust — {3}{G}: Put three +1/+1 counters on this creature. (Activate each exhaust ability only once.) | Tianxing Xu
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Molt Tender | Creature | Insect Druid | {T}: Mill a card. (Put the top card of your library into your graveyard.)
{T}, Exile a card from your graveyard: Add one mana of any color. | Filip Burburan
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Ooze Patrol | Creature | Ooze | When this creature enters, mill two cards, then put a +1/+1 counter on this creature for each artifact and/or creature card in your graveyard. (To mill two cards, put the top two cards of your library into your graveyard.) | Forrest Schehl
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Terrian, World Tyrant | Legendary Creature | Dinosaur Ooze | | Nicholas Gregory
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Lagorin, Soul of Alacria | Legendary Creature | Beast Mount | Flying
Whenever Lagorin attacks while saddled, put a +1/+1 counter on each of up to two target Mounts and/or Vehicles.
Saddle 1 (Tap any number of other creatures you control with total power 1 or more: This Mount becomes saddled until end of turn. Saddle only as a sorcery.) | Mirko Failoni
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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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Skyserpent Seeker | Creature | Snake | Flying, deathtouch
Exhaust — {4}: 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.) | Johan Grenier
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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