Wanderwine Prophets, and Deeproot Pilgrimage

Prerequisites

• Wanderwine Prophets on the battlefield
• Deeproot Pilgrimage on the battlefield
• Wanderwine Prophets does not have summoning sickness and cannot be blocked by an opponent

Steps

1. Declare Wanderwine Prophets as an attacker
2. Deeproot Pilgrimage triggers, creating a 1/1 Merfolk creature token
3. Deal combat damage to an opponent using Wanderwine Prophets
4. Wanderwine Prophets triggers, causing you to sacrifice the Merfolk token and take an extra turn after this one
5. Repeat each turn

Results

• Infinite turns