Enduring Vitality + Zur, Eternal Schemer + Ashnod's Altar + Concordant Crossroads

Enduring Vitality

Zur, Eternal Schemer

Ashnod's Altar

Concordant Crossroads

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.