mtg commander 2021 precon decklist Strixhaven complete set of decks - Magic: The Gathering Upgrading Commander 2021: Silverquill Statement

Altanak, the Thrice-Called Altanak, the Thrice-Called wants you to discard it from your hand, and you can only play one copy of Say Its Name in Commander, so you have absolutely no incentive to run it in the command zone

Assuming treasure plays a similar role to cards like Dark Ritual, we can see that the most natural home for that kind of burst mana generation is combo

(1) Foil card of random rarity

Pumping your stuff is awesome

I think a powerful argument could be made that it was not necessarily the cheap and powerful cards that made Madness the dominant Standard deck of its era, but this cheap counter that prevented you from doing anything about it