Eutropia is a great and seriously underrated enchantress commander
The assemble mechanic allows you to create Contraptions pulled from a separate deck of cards and placed in their own special Sprocket zones
Product Details When Cloud enters, search your library for an Equipment card, reveal it, put it into your hand, then shuffle
Of course, you can run synergy cards like Secret Plans to provide card advantage whenever a permanent is turned face up while also using Splendid Reclamation or Crucible of Worlds to return lands that may have gone to the graveyard thanks to the manifest dread mechanic
Strata Scythe's last ability will give the equipped creature +1/+1 for each land on the battlefield with the same name as either of the exiled cards
I love this as once people get mana for their commander, they often won't play it and they won't cast that nasty game ender