Aetherdrift

Caelorna, Coral Tyrant | Legendary Creature | Octopus | | Deruchenko Alexander

Diversion Unit | Artifact Creature | Robot | Flying {U}, Sacrifice this creature: Counter target instant or sorcery spell unless its controller pays {3}. | Xabi Gaztelua

Guidelight Optimizer | Artifact Creature | Robot | {T}: Add {U}. Spend this mana only to cast an artifact spell or activate an ability. | Mirko Failoni

Midnight Mangler | Artifact | Vehicle | During turns other than yours, this Vehicle is an artifact creature. Crew 2 (Tap any number of creatures you control with total power 2 or more: This Vehicle becomes an artifact creature until end of turn.) | Villarrte

Rangers' Refueler | Artifact | Vehicle | Whenever you activate an exhaust ability, draw a card. Exhaust — {4}: This Vehicle becomes an artifact creature. Put a +1/+1 counter on it. (Activate each exhaust ability only once.) Crew 2 | Samuel Perin

Riverchurn Monument | Artifact | | {1}, {T}: Any number of target players each mill two cards. (Each of them puts the top two cards of their library into their graveyard.) Exhaust — {2}{U}{U}, {T}: Any number of target players each mill cards equal to the number of cards in their graveyard. (Activate each exhaust ability only once.) | Anthony Devine

Scrounging Skyray | Creature | Fish Pirate | Flying Whenever you discard one or more cards, put that many +1/+1 counters on this creature. Cycling {2} ({2}, Discard this card: Draw a card.) | Ron Spears

Skystreak Engineer | Creature | Human Pilot | Flying Exhaust — {4}{U}: Put two +1/+1 counters on this creature. (Activate each exhaust ability only once.) | Elizabeth Peiró

Slick Imitator | Creature | Ooze | 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 — {1}, Sacrifice this creature: Copy target spell you control. You may choose new targets for the copy. (A copy of a permanent spell becomes a token.) | Xabi Gaztelua

Spectral Interference | Instant | | Counter target artifact or creature spell unless its controller pays {4}. | Steve Ellis

Stall Out | Sorcery | | Tap target creature or Vehicle, then put three stun counters on it. (If a permanent with a stun counter would become untapped, remove one from it instead.) Cycling {2} ({2}, Discard this card: Draw a card.) | Inkognit

Vnwxt, Verbose Host | Legendary Creature | Homunculus | 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.) You have no maximum hand size. Max speed — If you would draw a card, draw two cards instead. | Izzy

Mendicant Core, Guidelight | Legendary Artifact Creature | Robot | Mendicant Core's power is equal to the number of artifacts you control. 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 — Whenever you cast an artifact spell, you may pay {1}. If you do, copy it. (The copy becomes a token.) | Zezhou Chen

Winter, Cursed Rider | Legendary Creature | Human Warlock | Ward—Pay 2 life. Artifacts you control have "Ward—Pay 2 life." Exhaust — {2}{U}{B}, {T}, Exile X artifact cards from your graveyard: Each other nonartifact creature gets -X/-X until end of turn. (Activate each exhaust ability only once.) | Daren Bader

Sita Varma, Masked Racer | Legendary Creature | Human Rogue | Exhaust — {X}{G}{G}{U}: 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.) | Kai Carpenter

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