Jegantha, the Wellspring + Horde of Notions + Umbral Collar Zealot + Fires of Yavimaya

Jegantha, the Wellspring

Horde of Notions

Umbral Collar Zealot

Fires of Yavimaya

How it works

1. Activate Jegantha by tapping it, adding that cannot be spent to pay generic mana costs.
2. Activate Umbral Collar Zealot by sacrificing Jegantha.
3. Activate Horde of Notions by paying , causing you to cast Jegantha from your graveyard without paying its mana cost.
4. Repeat.

This fascinating loop creates an engine by cycling Jegantha, the Wellspring directly from the graveyard back to the battlefield using Horde of Notions, whose five-color activation cost is precisely paid for by tapping Jegantha for non-generic mana. Because Jegantha's mana cannot pay generic costs, its colored production slots perfectly into the exact color requirements needed to recur it endlessly. Meanwhile, Umbral Collar Zealot provides the necessary sacrifice outlet to bin Jegantha while leveraging the graveyard, and Fires of Yavimaya grants your creatures haste so Jegantha can tap the very moment it returns.