Derevi, Empyrial Tactician, Emiel the Blessed, and Nykthos, Shrine to Nyx

Prerequisites

• Derevi, Empyrial Tactician on the battlefield
• Emiel the Blessed on the battlefield
• Nykthos, Shrine to Nyx on the battlefield
• available

Steps

1. Activate Nykthos's second ability by paying and tapping it, adding at least
2. Activate Emiel by paying , blinking Derevi
3. When Derevi enters the battlefield, it triggers, untapping Nykthos
4. Repeat

Results

• Infinite ETB
• Infinite LTB
• Infinite mana of colors you have devotion to