Opalescence, and Journey to Nowhere

Prerequisites

• Opalescence on the battlefield
• Journey to Nowhere in hand
• available

Steps

1. Cast Journey to Nowhere by paying
2. Journey to Nowhere enters the battlefield, triggering its first ability, exiling itself
3. Journey to Nowhere leaves the battlefield, triggering its second ability, returning itself from exile to the battlefield
4. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB