Id make sure to include cheap draw spells, like Frantic Search, Faithful Mending, and Meeting of Minds, to trigger our card effects on other players turns
The standard across all Commander decks
Recurring Nightmare First Printed: 1998-JUN Banned: 2008-FEB Outside of countermagic, its nearly impossible to stop this card from doing its thing once it gets going because returning it to its owners hand is part of the cost of activating its ability
There are a lot of "build around me" style cards that may excel once you figure out how to use them (cards like Lady Octopus, Inspired Inventor or Behold the Sinister Six)
You lose the repeatedness but gain a whole lot of playablity
Either that, or they have no desire to sell until the price is significantly higher