Emiel the Blessed, Felidar Guardian, and Gaea's Cradle

Prerequisites

• Emiel the Blessed on the battlefield
• Felidar Guardian on the battlefield
• Gaea's Cradle on the battlefield

Steps

1. Activate Gaea's Cradle by tapping it, adding at least
2. Activate Emiel by paying , blinking Felidar Guardian
3. When Felidar Guardian enters the battlefield, it triggers, blinking Gaea's Cradle
4. Repeat

Results

• Infinite blinking of permanents you control
• Infinite ETB
• Infinite landfall triggers
• Infinite LTB
• Infinite mana permanents you control can produce
• Infinite blinking