Derevi, Empyrial Tactician, Emiel the Blessed, and Heronblade Elite

Prerequisites

• Derevi, Empyrial Tactician on the battlefield
• Emiel the Blessed on the battlefield
• Heronblade Elite on the battlefield
• Heronblade Elite does not have summoning sickness, and has power 3 or greater

Steps

1. Activate Heronblade Elite by tapping it, adding at least three mana of any color
2. Activate Emiel by paying , blinking Derevi
3. When Derevi enters the battlefield, it triggers, untapping Heronblade Elite
4. Repeat

Results

• Infinite LTB
• Infinite ETB
• Infinite colored mana
• Infinite blinking
• Infinite mana permanents you control can produce
• Infinite untap of permanents you control