Icewind Stalwart, and Restoration Angel

Prerequisites

• Icewind Stalwart in hand
• Restoration Angel on the battlefield
• available

Steps

1. Cast Icewind Stalwart by paying its mana cost
2. When Icewind Stalwart enters, it triggers, blinking Restoration Angel
3. When Restoration Angel enters, it triggers, blinking Icewind Stalwart
4. Repeat from step 2

Results

• Infinite ETB
• Infinite LTB