Sun Titan + Angelic Renewal + Umbral Collar Zealot

Sun Titan

Angelic Renewal

Umbral Collar Zealot

How it works

1. Activate Umbral Collar Zealot by sacrificing Sun Titan.
2. When Sun Titan dies, Angelic Renewal triggers, causing you to sacrifice Angelic Renewal and return Sun Titan from your graveyard to the battlefield.
3. When Sun Titan enters, it triggers, returning Angelic Renewal from your graveyard to the battlefield.
4. Resolve the Umbral Collar Zealot ability.
5. Repeat.

This elegant loop turns Sun Titan and Angelic Renewal into a perpetual motion machine fueled by the graveyard. When you sacrifice Sun Titan to Umbral Collar Zealot, Angelic Renewal immediately catches the falling Titan and returns it to the battlefield, which in turn triggers the Titan's entry ability to bring Angelic Renewal right back. Meanwhile, Umbral Collar Zealot's sacrifice outlet allows you to churn through this cycle infinitely, giving you endless surveil triggers to sculpt your hand while generating an unbounded number of enters-the-battlefield, leaving-the-battlefield, and death events.