This magnificent recursive engine is anchored by Slimefoot and Squee, which uses its own reanimation ability to continuously drag itself and Selvala, Heart of the Wilds back from the graveyard. While the step-by-step actions handle the heavy lifting of cycling through the graveyard and battlefield, Fervor ensures that Selvala can immediately tap for a massive influx of colored mana without waiting for summoning sickness. Meanwhile, Umbral Collar Zealot serves as the vital sacrifice outlet to send your key pieces to the graveyard in the first place, smoothing out your draws along the way with its surveil ability. Together, these elements turn a graveyard loop into an endless cascade of enters-the-battlefield triggers, token creation, and mana.