Sun Titan, Angelic Renewal, and Yahenni, Undying Partisan

Prerequisites

• Sun Titan on the battlefield
• Angelic Renewal on the battlefield
• Yahenni, Undying Partisan on the battlefield

Steps

1. Activate Yahenni 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 Yahenni ability
5. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite sacrifice triggers
• Infinite death triggers