Gilraen, Dúnedain Protector, Mana Echoes, Spark Double, and Mass Hysteria

Prerequisites

• Gilraen, Dúnedain Protector on the battlefield
• Mana Echoes on the battlefield
• Spark Double on the battlefield
• Mass Hysteria on the battlefield
• available

Steps

1. Activate Gilraen by paying and tapping it, blinking Spark Double
2. Choose to have Spark Double enter the battlefield as a nonlegendary copy of Gilraen
3. When Spark Double enters the battlefield, Mana Echoes triggers, adding for each Human and/or Noble you control
4. Activate Spark Double by paying and tapping it, blinking Gilraen
5. When Gilraen enters the battlefield, Mana Echoes triggers, adding for each Human and/or Noble you control
6. Repeat
7. If you control one additional Human and/or Noble, this combo will net infinite colorless mana

Results

• Infinite colorless mana
• Infinite ETB
• Infinite LTB