The One Ring, Conduit of Worlds, and Arcbound Ravager

Prerequisites

• The One Ring on the battlefield
• Conduit of Worlds on the battlefield
• Arcbound Ravager on the battlefield
• You have not cast a spell 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. Activate Conduit of Worlds by tapping it, causing you to pay to cast The One Ring from your graveyard
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 cannot cast spells
• You gain protection from everything