It gets cost reduction based on the number of sacrificed permanents, and there are lots of ways to increase that count
As such, you can move Equipment or Auras on your combat for attacking, then when it comes to your opponents combat, you can shift these around again for blocking
The problem would have been resolved with printing pure Basic Energies, commons, uncommons and likely also rares sheets with the same design as those later used for Unlimited in appropriate quantities taking the existing surplus into account
Or you can drop a dork from your hand to the battlefield
Chief: Im just glad that Braids is back in what appears to be a lot less bannable version
By limiting our resources we soft lock our opponents draws, plays and land drops