Declare Great Whale and Moonblade Shinobi as attackers.
When they aren't blocked, activate up to seven lands you control by tapping them, adding at least {4}{U}{U}{U}.
Activate Thousand-Faced Shadow's ninjutsu ability by paying {2}{U}{U} and returning Moonblade Shinobi from the battlefield to your hand, putting Thousand-Faced Shadow onto the battlefield from your hand tapped and attacking.
When Thousand-Faced Shadow enters the battlefield, it triggers, creating a token copy of Great Whale that is tapped and attacking.
When the Great Whale token enters the battlefield, it triggers, untapping up to seven lands.
Activate Moonblade Shinobi's ninjutsu ability by paying {2}{U} and returning Thousand-Faced Shadow from the battlefield to your hand, putting Moonblade Shinobi onto the battlefield from your hand tapped and attacking.
Repeat from step 2.
Deal combat damage using the Great Whale tokens, dealing infinite combat damage to the defending opponent.
If you control up to seven lands that can tap to produce at least {5}{U}{U}{U}, this combo nets infinite mana.

Infinite combat damage to one opponent

Infinite creature tokens

Infinite creature ETB

Infinite creature LTB

Thousand-Faced Shadow

Great Whale

Moonblade Shinobi

Declare Moonblade Shinobi as an attacker.
When it isn't blocked, activate up to seven lands you control by tapping them, adding at least {4}{U}{U}{B}.
Activate Great Whale's ninjutsu ability by paying {2}{U}{B} and returning Moonblade Shinobi from the battlefield to your hand, putting Great Whale onto the battlefield from your hand tapped and attacking.
When Great Whale enters the battlefield, it triggers, untapping up to seven lands.
Activate Moonblade Shinobi's ninjutsu ability by paying {2}{U} and returning Great Whale from the battlefield to your hand, putting Moonblade Shinobi onto the battlefield from your hand tapped and attacking.
Repeat from step 2.
If you control up to seven lands that can tap to produce at least {5}{U}{U}{B}, this combo nets infinite mana.

Satoru Umezawa

Declare Palinchron and Moonblade Shinobi as attackers.
When they aren't blocked, activate up to seven lands you control by tapping them, adding at least {4}{U}{U}{U}.
Activate Thousand-Faced Shadow's ninjutsu ability by paying {2}{U}{U} and returning Moonblade Shinobi from the battlefield to your hand, putting Thousand-Faced Shadow onto the battlefield from your hand tapped and attacking.
When Thousand-Faced Shadow enters the battlefield, it triggers, creating a token copy of Palinchron that is tapped and attacking.
When the Palinchron token enters the battlefield, it triggers, untapping up to seven lands.
Activate Moonblade Shinobi's ninjutsu ability by paying {2}{U} and returning Thousand-Faced Shadow from the battlefield to your hand, putting Moonblade Shinobi onto the battlefield from your hand tapped and attacking.
Repeat from step 2.
Deal combat damage using the Palinchron tokens, dealing infinite combat damage to the defending opponent.
If you control up to seven lands that can tap to produce at least {5}{U}{U}{U}, this combo nets infinite mana.

Palinchron

Declare Moonblade Shinobi as an attacker.
When it isn't blocked, activate up to seven lands you control by tapping them, adding at least {4}{U}{U}{B}.
Activate Palinchron's ninjutsu ability by paying {2}{U}{B} and returning Moonblade Shinobi from the battlefield to your hand, putting Palinchron onto the battlefield from your hand tapped and attacking.
When Palinchron enters the battlefield, it triggers, untapping up to seven lands.
Activate Moonblade Shinobi's ninjutsu ability by paying {2}{U} and returning Palinchron from the battlefield to your hand, putting Moonblade Shinobi onto the battlefield from your hand tapped and attacking.
Repeat from step 2.
If you control up to seven lands that can tap to produce at least {5}{U}{U}{B}, this combo nets infinite mana.

Deal combat damage using the creature that has Breath of Fury attached and Moonblade Shinobi, triggering Breath of Fury and Moonblade Shinobi.
Resolve the Moonblade Shinobi trigger, creating a creature token.
Resolve the Breath of Fury trigger, causing you to sacrifice the creature it is attached to, then attach Breath of Fury to a creature token, then causing you to untap all creatures you control and to get an additional combat phase after this one. 
Repeat each combat phase.

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