Muldrotha, the Gravetide, The One Ring, and Arcbound Ravager

Prerequisites

• Muldrotha, the Gravetide on the battlefield
• The One Ring on the battlefield
• Arcbound Ravager on the battlefield
• You have not cast an artifact spell using Muldrotha this turn
• during each of your turns available

Steps

1. Activate Arcbound Ravager by sacrificing The One Ring, putting a +1/+1 counter on Arcbound Ravager
2. Cast The One Ring from your graveyard by paying
3. The One Ring triggers, giving you protection from everything until your next turn
4. Repeat during each of your turns

Results

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