Lagrella, the Magpie + Felidar Guardian + Cloudshift

Prerequisites

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Steps

1. 1Cast Cloudshift by paying , blinking Lagrella.
2. 2Lagrella leaves the battlefield, causing Felidar Guardian to return to the battlefield from exile.
3. 3Lagrella and Felidar Guardian's enter-the-battlefield abilities trigger.
4. 4Resolve the Lagrella trigger, exiling Felidar Guarrdian until Lagrella leaves the battlefield.
5. 5Resolve the Felidar Guardian trigger, blinking Lagrella.
6. 6Repeat from step 2.

Effects

• Infinite blinking
• Infinite ETB
• Infinite LTB