Glorious Protector, Felidar Guardian, and Cloudshift

Prerequisites

• Glorious Protector on the battlefield
• Felidar Guardian in exile
• Cloudshift in hand
• available

Steps

1. Cast Cloudshift by paying , blinking Glorious Protector
2. Felidar Guardian returns from exile to the battlefield without using the stack due to Glorious Protector leaving the battlefield
3. When Glorious Protector and Felidar Guardian enter the battlefield, they each trigger
4. Resolve Glorious Protector's trigger, exiling Felidar Guardian and any number of other non-Angel creatures you control until Guardian Protector leaves the battlefield
5. Resolve Felidar's trigger, blinking Glorious Protector
6. Repeat from step 2

Results

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