Ashnod's Altar + Naru Meha, Master Wizard + Faith's Reward

Ashnod's Altar

Naru Meha, Master Wizard

Faith's Reward

How it works

1. Cast Faith's Reward by paying its mana cost
2. Holding priority, cast Naru Meha by paying its mana cost.
3. When Naru Meha enters, it triggers, targeting Faith's Reward.
4. Holding priority, activate Ashnod's Altar by sacrificing Naru Meha.
5. Resolve the Naru Meha trigger, copying Faith's Reward
6. Resolve the Faith's Reward copy, returning Naru Meha from your graveyard to the battlefield.
7. Repeat from step 3.

This engine hinges on an elegant, self-sustaining loop powered by Naru Meha, Master Wizard and Faith's Reward. By sacrificing Naru Meha to Ashnod's Altar for colorless mana before her enter-the-battlefield trigger resolves, you set up Faith's Reward to return her straight back to the battlefield. Each iteration generates extra mana while repeating the entire process, creating infinite sacrifices, deaths, and ETB triggers.