There was a lot of theorycrafting in the cEDH community that focused on how to know what number to pick in order to draw the most cards
Steels damage abilities make the banish choice highly valuable against Tamatoa and Mufasa in Sapphire, tricky Evasive or Bodyguard characters, or anything you just need gone
The ability to activate it at instant speed (and for free!) is incredible here, too, allowing you to respond to removal or a board wipe
Counterspell birthed the ability to simply say "No!" to your opposing wizard(s)
For my personal Sram, Senior Edificer deck, my deck's goal is to put down Sram, put down one of these discount dorks, and then start chaining together as many auras as possible, casting Angelic Gift into Chosen by Heliod into Arrest into All That Glitters and so on
If you draw an awkward hand with too many combat tricks, you'll be forced to use them in imperfect situations, playing into your opponent's hands