Wanderwine Prophets, and Extravagant Replication

Prerequisites

• Wanderwine Prophets on the battlefield
• Extravagant Replication on the battlefield

Steps

1. Declare Wanderwine Prophets as an attacker
2. Deal combat damage to an opponent using Wanderwine Prophets
3. Wanderwine Prophets triggers, causing you to sacrifice the Merfolk token and take an extra turn after this one
4. At the begining of your upkeep Extravagant Replication triggers creating a copy of a merfolk you control
5. Repeat each turn

Results

• Infinite turns
• Lock