Methods of altering spell costs are deeply ingrained in the game, with examples ranging from Force of Will to mechanics like Affinity, Improvise, and Delve
Lands with cycling have been around for over 20 years, lands that enter the battlefield tapped and tap for 3 colors of mana have been around for over 10, and nonbasic lands with basic land types have been around since Alpha
Both should be good either way, but its a close struggle like Stab vs
Demonic Counsel feels like the best Duskmourn card spoiled so far because its fail case is finding a Demon creature - so building a deck to make that desirable means it will never be "bad," but with Delirium it is a 2 mana spell that finds any answer or threat a player needs
Great card for it
Commander Fun Ranking: Aetherdrift Hashaton, Scarabs Fist | Illustrated by Wisnu Tan Ketramose, the New Dawn | Illustrated by Maaz Ali Khan Temmet, Naktamuns Will | Illustrated by Douglas Shuler Sab-Sunen, Luxa Embodied | Illustrated by Valera Lutfullina Saheeli, Radiant Creator | Illustrated by Ernanda Souza Hey, nerds