Mindslaver, and Prototype Portal

Prerequisites

• Mindslaver in exile
• Prototype Portal on the battlefield
• undefined during each of your turns available

Steps

1. Activate Prototype Portal by paying and tapping it, creating a token copy of Mindslaver
2. Activate the Mindslaver token by paying , tapping and sacrificing it, causing you to gain control of target player during their next turn
3. Repeat during each of your turns

Results

• You control target opponent on each of their turns