Wormfang Manta, Nephalia Smuggler, and Hushbringer

Prerequisites

• Wormfang Manta on the battlefield
• Nephalia Smuggler on the battlefield
• Hushbringer on the battlefield
• each turn available

Steps

1. Blink Wormfang Manta using Nephalia Smuggler
2. Wormfang Manta's first ability won't trigger due to Hushbringer
3. Wormfang Manta's second ability triggers, causing you to take an extra turn after this one
4. Repeat each turn

Results

• Infinite turns
• Lock