While many factors can influence the number of lands you should play in your deck, the mana curve is the main guideline that tells you how many lands you need for a deck to run smoothly
They are more closely related then they seem in this case
First, it was part of the non-timeshifted lands with keywords cycle (it tapped for blue and came into play tapped back then)
It's now a grand magical tower located in a desert, rather than a sunken structure poking out of a frozen sea
My favorite thing about it is that, unlike those other two, Conductor of Cacophony doesnt damage itself, meaning that as long as we can keep adding counters to it, we can keep wiping the battlefield clean
The official announcement showed the beautiful full art of the card