Exchange of Words, Starfield of Nyx, Wormfang Manta, and Meneldor, Swift Savior

Prerequisites

• Exchange of Words in hand
• Starfield of Nyx on the battlefield
• Wormfang Manta on the battlefield
• Meneldor, Swift Savior on the battlefield
• undefined available

Steps

1. Cast Exchange of Words by paying
2. When Exchange of Words enters the battlefield, it triggers, exchanging the text boxes of it and Wormfang Manta
3. Deal combat damage to an opponent using Meneldor, triggering its ability, blinking Exchange of Words
4. Exchange of Words leaves and enters the battlefield, triggering the second ability it gained from Wormfang Manta's textbox as well as its own ability
5. Resolve the first Exchange of Words trigger, causing you to take an extra turn after this one
6. Resolve the second Exchange of Words trigger, exchanging the text boxes of it and Wormfang Manta
7. Repeat from step 3 during each turn

Results

• Infinite turns