
Perpetual sabotage with The Foundry (Sierra & Oddball) [Standard]
The deck Putting this deck together was an exercise in reverse-engineering. To start, Sierra needs three copies of Brassbug Hive (R) as her win-condition. She wants to run three copies of Mechanical Training (C) to close out the game with Brassbug Hive, but they also need to not be dead cards before a Brassbug Hive is online. This means including some combination of Armored Jammer, Haven, Bravos Bastion (R), The Foundry, Axiom Bastion (R), Axiom Reprocessor (R), and The Ouroboros, Lyra Bastion (F)....