Derevi, Empyrial Tactician + Faeburrow Elder + Panharmonicon + Cards That Copy or Clone Creatures

Prerequisites

• You control a copy or clone of Derevi that is legendary and has Derevi's name.
• Cards That Copy or Clone Creatures

Steps

1. 1Activate Faeburrow Elder by tapping it, adding at least .
2. 2Activate Derevi by paying , putting it onto the battlefield from the command zone.
3. 3Put Derevi into your graveyard due to the legend rule, and then choose to return Derevi to the command zone.
4. 4Derevi's enters-the-battlefield ability triggers twice due to Panharmonicon.
5. 5Resolve the first trigger, untapping Faeburrow Elder.
6. 6Holding priority, activate Faeburrow Elder by tapping it, adding at least .
7. 7Resolve the second Derevi trigger, untapping Faeburrow Elder.
8. 8Repeat.

Effects

• Infinite blue mana
• Infinite death triggers
• Infinite ETB
• Infinite green mana
• Infinite LTB
• Infinite mana permanents you control can produce
• Infinite sacrifice triggers
• Infinite white mana