Sharuum the Hegemon, and Body Double

Prerequisites

• Sharuum the Hegemon in the graveyard
• Body Double in hand
• available

Steps

1. Cast Body Double by paying
2. Body Double enters as a copy of Sharuum, returning Sharuum from your graveyard to the battlefield
3. Put Sharuum into the graveyard due to the legend rule
4. Sharuum's enter the battlefield triggers, returning itself from your graveyard to the battlefield
5. Repeat from step 3

Results

• Infinite ETB
• Infinite LTB