Extravagant Replication, Zealous Lorecaster, and Notorious Throng

Prerequisites

• Extravagant Replication on the battlefield
• Zealous Lorecaster on the battlefield
• Notorious Throng in hand
• each turn available

Steps

1. Deal combat damage using a Rogue
2. Cast Notorious Throng by paying its prowl cost, causing you to take an extra turn after this one
3. Move to your next turn
4. At the beginning of your upkeep, Extravagant Replication triggers, creating a token copy of Zealous Lorecaster
5. When the Zealous Lorecaster token enters the battlefield, it triggers, returning Notorious Throng from your graveyard to your hand
6. Repeat

Results

• Infinite turns
• Lock