Enduring Vitality + Zur, Eternal Schemer + Ashnod's Altar + Nahiri's Resolve

Enduring Vitality

Zur, Eternal Schemer

Ashnod's Altar

Nahiri's Resolve

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
4. When Enduring Vitality dies, it triggers, returning itself from your graveyard to the battlefield as an enchantment.
5. Repeat.