Parallax Wave, and Felidar Guardian

Prerequisites

• Parallax Wave on the battlefield
• Felidar Guardian in hand
• At least one fade counter on Parallax Wave
• available

Steps

1. Cast Felidar Guardian by paying
2. When Felidar Guardian enters the battlefield, it triggers, targeting Parallax Wave
3. In response, activate Parallax Wave multiple times by removing any number of fade counters from it, exiling Felidar Guardian and up to four other creatures
4. Resolve Felidar Guardian's ability, blinking Parallax Wave
5. When Parallax Wave leaves the battlefield, it triggers, returning all cards exiled with Parallax Wave to the battlefield
6. Repeat from step 2

Results

• Infinite blinking
• Infinite ETB
• Infinite LTB