Naga Fleshcrafter, and Wispweaver Angel

Prerequisites

• Naga Fleshcrafter in hand
• Wispweaver Angel on the battlefield

Steps

1. Cast Naga Fleshcrafter by paying its mana cost, choosing to have it enter the battlefield as a copy of Wispweaver Angel When Naga Fleshcrafter enters the battlefield, it triggers, blinking Wispweaver Angel
2. When Wispweaver Angel enters the battlefield, it triggers, blinking Naga Fleshcrafter
3. Choose to have Naga Fleshcrafter enter the battlefield as a copy of Wispweaver Angel
4. Repeat from step 2

Results

• Infinite LTB
• Infinite ETB