Mana Echoes, Seal of Removal, Griffin Dreamfinder, and Mycosynth Lattice

Prerequisites

• Mana Echoes on the battlefield
• Seal of Removal on the battlefield
• Griffin Dreamfinder on the battlefield
• Mycosynth Lattice on the battlefield
• You control at least five other Griffins
• available

Steps

1. Activate Seal of Removal by sacrificing it, returning Griffin Dreamfinder to your hand
2. Cast Griffin Dreamfinder by paying
3. When Griffin Dreamfinder enters the battlefield, it and Mana Echoes trigger
4. Resolve the Griffin Dreamfinder trigger, returning Seal of Removal from your graveyard to your hand
5. Resolve the Mana Echoes trigger, adding at least
6. Cast Seal of Removal by paying
7. Repeat
8. If you control seven or more Griffins, this combo nets infinite mana

Results

• Infinite colored mana
• Infinite colorless mana
• Infinite ETB
• Infinite LTB
• Infinite storm count