Aeronaut Admiral | Creature | Human Pilot | Flying
Vehicles you control have flying. | E. M. Gist
Felidar Guardian | Creature | Cat Beast | When Felidar Guardian enters the battlefield, you may exile another target permanent you control, then return that card to the battlefield under its owner's control. | Jakub Kasper
Foundry Hornet | Creature | Insect | Flying
When Foundry Hornet enters the battlefield, if you control a creature with a +1/+1 counter on it, creatures your opponents control get -1/-1 until end of turn. | Christopher Moeller
Scrapper Champion | Creature | Human Artificer | Double strike (This creature deals both first-strike and regular combat damage.)
When Scrapper Champion enters the battlefield, you get {E}{E} (two energy counters).
Whenever Scrapper Champion attacks, you may pay {E}{E}. If you do, put a +1/+1 counter on it. | Magali Villeneuve
Peema Aether-Seer | Creature | Elf Druid | When Peema Aether-Seer enters the battlefield, you get an amount of {E} (energy counters) equal to the greatest power among creatures you control.
Pay {E}{E}{E}: Target creature blocks this turn if able. | Howard Lyon
Spire Patrol | Creature | Human Soldier | Flying
When Spire Patrol enters the battlefield, tap target creature an opponent controls. That creature doesn't untap during its controller's next untap step. | Dan Scott
Outland Boar | Creature | Boar | Outland Boar can't be blocked by creatures with power 2 or less. | Winona Nelson
Crackdown Construct | Artifact Creature | Construct | Whenever you activate an ability of an artifact or creature that isn't a mana ability, Crackdown Construct gets +1/+1 until end of turn. | Johannes Voss
Treasure Keeper | Artifact Creature | Construct | When Treasure Keeper dies, reveal cards from the top of your library until you reveal a nonland card with mana value 3 or less. You may cast that card without paying its mana cost. Put all revealed cards not cast this way on the bottom of your library in a random order. | James Paick