Sage of Hours, Master Biomancer, and Delina, Wild Mage

Prerequisites

• Sage of Hours on the battlefield
• Master Biomancer on the battlefield
• Delina, Wild Mage on the battlefield
• Master Biomancer has power five or greater
• Delina does not have summoning sickness and cannot be blocked and killed by an opponent

Steps

1. Declare Delina as an attacker
2. Delina triggers, creating at least one token copy of Sage of Hours that enters the battlefield with at least five +1/+1 counters due to Master Biomancer
3. Activate the Sage of Hours token by removing all +1/+1 counters from it, causing you to take at least one extra turn after this one
4. Repeat each turn

Results

• Infinite turns