Prowling Geistcatcher, Karmic Guide, and Viscera Seer

Prerequisites

• Prowling Geistcatcher on the battlefield
• Karmic Guide on the battlefield
• Viscera Seer on the battlefield

Steps

1. Activate Viscera Seer by sacrificing Karmic Guide
2. When Karmic Guide dies, Prowling Geistcatcher's first ability triggers, exiling Karmic Guide from your graveyard
3. Activate Viscera Seer by sacrificing Prowling Geistcatcher
4. When Prowling Geistcatcher dies, its second ability triggers, returning Karmic Guide from exile to the battlefield
5. When Karmic Guide enters the battlefield, it triggers, returning Prowling Geistcatcher from your graveyard to the battlefield
6. Resolve the Viscera Seer abilities from step 1 and step 3, causing you to scry 1 twice
7. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite LTB
• Infinite sacrifice triggers
• Infinite scry 1