Enduring Vitality + Zur, Eternal Schemer + Ashnod's Altar + Yarus, Roar of the Old Gods

Enduring Vitality

Zur, Eternal Schemer

Ashnod's Altar

Yarus, Roar of the Old Gods

How it works

1. If Enduring Vitality is not a creature, activate Zur by paying 1, causing Enduring Vitality to become a creature.
2. Activate Enduring Vitality by tapping it, adding .
3. Activate Ashnod's Altar's second ability by sacrificing Enduring Vitality, adding CC.
4. When Enduring Vitality dies, it triggers, returning itself from your graveyard to the battlefield as an enchantment.
5. Repeat.

This clever loop relies on Zur, Eternal Schemer to animate Enduring Vitality into a creature so that it gains the ability to tap for mana, fueled further by Zur granting enchantment creatures a suite of defensive keywords. Once Enduring Vitality is a creature, you can tap it for mana and immediately feed it to Ashnod's Altar to generate colorless mana at the cost of its life. Because Enduring Vitality's own death trigger returns it to the battlefield as an enchantment rather than a creature, you can simply use Zur's activation again to repeat the cycle infinitely, all while Yarus, Roar of the Old Gods grants haste and watches over your permanents' graveyard transitions.