Peregrine Drake + Shrieking Drake + Roaming Throne

Prerequisites

• You control lands that can produce at least .
• "Drake" chosen with Roaming Throne.

Steps

1. 1Cast Peregrine Drake by paying .
2. 2When Peregrine Drake enters the battlefield, it triggers itself twice due to Panharmonicon.
3. 3Resolve one Peregrine Drake trigger, untapping five lands.
4. 4Activate those lands by tapping them to add at least .
5. 5Resolve the remaining Peregrine Drake trigger, untapping five lands.
6. 6Activate those lands by tapping them to add at least .
7. 7Cast Shrieking Drake by paying .
8. 8When Shrieking Drake enters the battlefield, it triggers itself twice due to Panharmonicon, returning itself and Peregrine Drake from the battlefield to your hand.
9. 9Repeat.
10. 10If you can produce at least one additional mana in step 4, this combo produces infinite mana.

Effects

• Infinite blue mana
• Infinite ETB
• Infinite LTB
• Infinite mana lands you control can produce
• Infinite storm count
• Infinite untap of lands you control