Jegantha, the Wellspring + Horde of Notions + Purphoros, Bronze-Blooded + Yahenni, Undying Partisan

Jegantha, the Wellspring

Horde of Notions

Purphoros, Bronze-Blooded

Yahenni, Undying Partisan

How it works

1. Activate Jegantha by tapping it, adding that cannot be spent to pay generic mana costs.
2. Activate Yahenni 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 brilliant engine relies on the five-color mana-producing power of Jegantha, the Wellspring to feed the graveyard-recursion ability of Horde of Notions, allowing you to cast Jegantha straight from the graveyard for free over and over again. To keep the loop going indefinitely, Yahenni, Undying Partisan acts as the ultimate sacrifice outlet, neatly binning Jegantha each cycle while growing stronger from the constant deaths. Meanwhile, Purphoros, Bronze-Blooded quietly keeps the battlefield fierce by giving your creatures haste, ensuring this recursive loop runs at maximum velocity.