Felidar Guardian, Life Finds a Way, and Helm of the Host

Prerequisites

• Felidar Guardian on the battlefield
• Life Finds a Way on the battlefield
• Helm of the Host on the battlefield
• Helm of the Host attached to Felidar Guardian
• You control at least one nontoken creature with base power 4 or greater

Steps

1. At the beginning of your combat phase, Helm of the Host triggers, creating a token copy of Felidar Guardian with haste
2. When the Felidar Guardian token enters the battlefield, it triggers, blinking any creature you control with base power 4 or greater
3. When the creature enters the battlefield, Life Finds A Way triggers, creating a token copy of the Felidar Guardian token
4. Repeat from step 2

Results

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