Mikaeus, the Unhallowed, Viscera Seer, and Puppeteer Clique

Prerequisites

• Mikaeus, the Unhallowed on the battlefield
• Viscera Seer on the battlefield
• Puppeteer Clique on the battlefield

Steps

1. Sacrifice Puppeteer Clique to Viscera Seer, putting scry 1 onto the stack
2. Undying and persist go on the stack
3. Stack undying under persist so that persist resolves first and Puppeteer Clique ETBs
4. Resolve the Puppeteer Clique ETB, reanimating a creature from an opponent's graveyard, then allow the undying trigger to fail to resolve and the scry 1 to resolve
5. Sacrifice Puppeteer Clique to Viscera Seer, putting scry 1 onto the stack
6. Undying and persist go on the stack
7. Stack persist under undying so that undying resolves first and Puppeteer Clique ETBs
8. Resolve the Puppeteer Clique ETB, reanimating a creature from an opponent's graveyard, then allow the persist trigger to fail to resolve and the scry 1 to resolve
9. Repeat

Results

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