The ability to draw cards by discarding can help maintain hand size and keep the pressure on the opponent
The power of The One Ring is ubiquitous, and it definitely has to be the most influential card in Magic: The Gathering in 2023
Early you can use this to help you hit a land drop or whatever, and then in the mid-to-late game you can cast this for one, and probably play at least one of the things you draw
With that in mind, here's a few more lists: Top 10 "Free" Spells That Cost Three Fierce GuardianshipFierce Guardianship Deflecting SwatDeflecting Swat Frantic SearchFrantic Search Force of NegationForce of Negation Flawless ManeuverFlawless Maneuver UnwindUnwind EnduranceEndurance Obscuring HazeObscuring Haze Force of DespairForce of Despair InvigorateInvigorate With four of the five of the free-with-your-commander spells represented, the cheapest of our lists is probably easily the most powerful
Cards like Den Protector are somewhat proactive against Mindbender and will at least let you buy back a card that you were forced to discard
Secure a true collectible gem with the Simba King Returned card from the coveted Enchanted Lorcana series