Glorious Protector, Icewind Stalwart, and Ephemerate

Prerequisites

• Glorious Protector on the battlefield
• Icewind Stalwart in exile
• Ephemerate in hand
• available

Steps

1. Cast Ephemerate by paying , blinking Glorious Protector and exiling Ephemerate
2. Glorious Protector leaves and enters the battlefield, returning Icewind Stalwart from exile to the battlefield, and triggering both Icewind Stalwart and Glorious Protector's enters-the-battlefield abilities
3. Resolve the Glorious Protector trigger, exiling Icewind Stalwart until Glorious Protector enters the battlefield
4. Resolve the Icewind Stalwart trigger, blinking Glorious Protector
5. Repeat from step 2

Results

• Infinite blinking of Glorious Protector and non-Angel creatures you control
• Infinite ETB
• Infinite LTB