Satoru Umezawa + Peregrine Drake + Great Whale

Prerequisites

• Great Whale does not have summoning sickness and cannot be blocked and killed by an opponent.
• You control up to five lands that can tap to produce at least .

Steps

1. 1Declare Great Whale as an attacker.
2. 2When Great Whale is unblocked, activate up to five lands you control by tapping them, adding at least .
3. 3Activate Peregrine Drake's ninjitsu ability by paying and returning Great Whale from the battlefield to your hand, putting Peregrine Drake from your hand onto the battlefield tapped and attacking.
4. 4Peregrine Drake enters the battlefield, untapping up to five lands.
5. 5Activate up to five lands you control by tapping them, adding at least .
6. 6Activate Great Whale's ninjitsu ability by paying and returning Peregrine Drake from the battlefield to your hand, putting Great Whale from your hand onto the battlefield tapped and attacking.
7. 7Great Whale enters the battlefield, untapping up to seven lands.
8. 8Repeat from step 2.

Effects

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