Felidar Guardian, Life Finds a Way, and Double Major

Prerequisites

• Felidar Guardian in hand
• Life Finds a Way on the battlefield
• Double Major in hand
• You control at least one nontoken creature with base power 4 or greater
• available

Steps

1. Cast Felidar Guardian by paying
2. Holding priority, cast Double Major by paying , copying the Felidar Guardian spell
3. Resolve the copy of the Felidar Guardian spell
4. When the Felidar Guardian token enters the battlefield, it triggers, blinking any creature you control with base power 4 or greater
5. When the creature enters the battlefield, Life Finds A Way triggers, creating a token copy of the Felidar Guardian token
6. Repeat from step 4

Results

• Infinite blinking of creatures you control with base power 4 or greater
• Infinite creature tokens
• Infinite ETB
• Infinite LTB