Magar of the Magic Strings, and Capture of Jingzhou

Prerequisites

• Magar of the Magic Strings on the battlefield
• Capture of Jingzhou in hand
• An opponent is unable to block and kill creatures you control
• available

Steps

1. Cast Capture of Jingzhou by paying , causing you to take an extra turn after this one
2. Activate Magar by paying , noting Capture of Jingzhou and putting it face down as a 3/3 creature
3. Move to your next turn
4. Deal combat damage to an opponent with the face down creature
5. The face down creature triggers, causing you to cast a copy of Capture of Jingzhou without paying its mana cost
6. Resolve the copy of Capture of Jingzhou, causing you to take an extra turn after this one
7. Repeat from step 3

Results

• Infinite turns