Emry, Lurker of the Loch, The One Ring, and Sarcatog

Prerequisites

• Emry, Lurker of the Loch on the battlefield
• The One Ring on the battlefield
• Sarcatog on the battlefield
• during each of your turns available

Steps

1. Activate Sarcatog by sacrificing The One Ring, giving Sarcatog +1/+1 until end of turn Activate Emry by tapping it, allowing you to cast The One Ring from your graveyard this turn
2. Cast The One Ring by paying
3. The One Ring triggers, giving you protection from everything until your next turn
4. Repeat during each of your turns

Results

• Lock
• Prevent all damage that would be dealt to you
• You have protection from everything