This colorless top-end creature certainly brings games to a close, especially if you can give it haste or up the number of counters on itRhythm of the Wild and Invigorating Hot Spring have Ulamog written all over them
Regular Commander aside, this card is already seeing discussion in the cutthroat cEDH community
Cat Teferi Combo Produce 1 mana from "Mox Amber" or "Mox Opal", bounce it with "Teferi, Time Raveler" and draw a card, cast the recovered Mox and blink Teferi, and if you repeat the process of bouncing the Mox with Teferi again, you get infinite mana and infinite card draw
That Commander
The energy mechanic was introduced in Kaladesh, and it has returned a few times since, with a notable surge of energy cards in Modern Horizons 3
That said, now that UW Caw-Gates won the event, I might consider running one Essence Scatter in the 75, since Skred has virtually no answer to Guardian of the Guildpact