Aethersquall Ancient | Creature | Leviathan | Flying
At the beginning of your upkeep, you get {E}{E}{E} (three energy counters).
Pay {E}{E}{E}{E}{E}{E}{E}{E}: Return all other creatures to their owners' hands. Activate only as a sorcery. | Sam Burley
Gearseeker Serpent | Creature | Serpent | This spell costs {1} less to cast for each artifact you control.
{5}{U}: Gearseeker Serpent can't be blocked this turn. | Filip Burburan
Accomplished Automaton | Artifact Creature | Construct | Fabricate 1 (When this creature enters the battlefield, put a +1/+1 counter on it or create a 1/1 colorless Servo artifact creature token.) | Daarken
Metalwork Colossus | Artifact Creature | Construct | This spell costs {X} less to cast, where X is the total mana value of noncreature artifacts you control.
Sacrifice two artifacts: Return Metalwork Colossus from your graveyard to your hand. | Jaime Jones