The six inks (Amber, Amethyst, Emerald, Ruby, Sapphire, and Steel) were released in a mixed-up, chaotic form
Before I explain why, lets be clear about what I mean when I say original set foil. To me, an original set foil is the first foil printing of a given card, regardless of any future promos
Cyclonic Rift is just two mana and stops a commander that benefits from these spells for a turn
This card is much more about being quite consistently card neutral while yielding info and choices, it is not about disruption in the way most other targetted discard is
Necrotic Fumes, Academic Probation, and Containment Breach saw some play alongside Learn cards like Sparring Regimen and Eyetwitch, but there was one pairing that saw a lot of play: Divide by Zero and Mascot Exhibition
As with all of these types of list I can only pick so many cards, especially when I have to pit them against Magic's large history of cards