The biggest reason to be ramping (at least, in my opinion) is to hit that sweet spot where you can comfortably cast two spells a turn
Some decks really need an easy way to place counters on creatures, especially at instant speed
From Collector to Creator: Using Rarity in Your Own Game Now, let's pivot from player to creator
Some old Magic cards are worth very little, while others are extremely valuable
Enter the Avatar State #18 Magic Avatar: The Last Airbender Keep track of your collection value over time
The commander, Saheeli, Radiant Creator, is great though, and with so many interesting cards, it is a deck that refreshes the energy archetype