Aethertide Whale | Creature | Whale | Flying
When Aethertide Whale enters the battlefield, you get {E}{E}{E}{E}{E}{E} (six energy counters).
Pay {E}{E}{E}{E}: Return Aethertide Whale to its owner's hand. | Steven Belledin
Bastion Inventor | Creature | Vedalken Artificer | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Hexproof (This creature can't be the target of spells or abilities your opponents control.) | Tony Foti
Wind-Kin Raiders | Creature | Human Artificer | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Flying | Shreya Shetty
Ironclad Revolutionary | Creature | Aetherborn Artificer | When Ironclad Revolutionary enters the battlefield, you may sacrifice an artifact. If you do, put two +1/+1 counters on Ironclad Revolutionary and each opponent loses 2 life. | Eric Deschamps
Enraged Giant | Creature | Giant | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Trample, haste | Anthony Palumbo
Freejam Regent | Creature | Dragon | Improvise (Your artifacts can help cast this spell. Each artifact you tap after you're done activating mana abilities pays for {1}.)
Flying
{1}{R}: Freejam Regent gets +2/+0 until end of turn. | Volkan Baǵa