Declare Silver-Fur Master as an attacker.
When it isn't blocked, activate up to five lands you control by tapping them, adding at least {1}{U}{U}{B}{B}.
Activate Peregrine Drake's ninjutsu ability by paying {1}{U}{B} and returning Silver-Fur Master from the battlefield to your hand, putting Peregrine Drake onto the battlefield from your hand tapped and attacking.
When Peregrine Drake enters the battlefield, it triggers, untapping up to five lands.
Activate Silver-Fur Master's ninjutsu ability by paying {U}{B} and returning Peregrine Drake from the battlefield to your hand, putting Silver-Fur Master onto the battlefield from your hand tapped and attacking.
Repeat from step 2.
If you control up to five lands that can tap to produce at least {2}{U}{U}{U}{B}, this combo nets infinite mana.

Infinite creature ETB

Infinite creature LTB

Satoru Umezawa

Peregrine Drake

Silver-Fur Master

Declare Peregrine Drake and Silver-Fur Master as attackers.
When they aren't blocked, activate up to five lands you control by tapping them, adding at least {1}{U}{U}{U}{B}.
Activate Thousand-Faced Shadow's ninjutsu ability by paying {1}{U}{U} and returning Silver-Fur Master 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 Peregrine Drake that is tapped and attacking.
When the Peregrine Drake token enters the battlefield, it triggers, untapping up to five lands.
Activate Silver-Fur Master's ninjutsu ability by paying {U}{B} and returning Thousand-Faced Shadow from the battlefield to your hand, putting Silver-Fur Master onto the battlefield from your hand tapped and attacking.
Repeat from step 2.
Deal combat damage using the Peregrine Drake tokens, dealing infinite combat damage to the defending opponent.
If you control up to five lands that can tap to produce at least {2}{U}{U}{U}{B}, this combo nets infinite mana.

Infinite creature tokens

Infinite combat damage

Thousand-Faced Shadow

Declare another nontoken creature as an attacker.
When the creature isn't blocked by an opponent, activate up to seven lands you control by tapping them, adding at least {3}{U}{U}{B}{B}.
Activate Great Whale's ninjitsu ability by paying {1}{U}{B} and returning the unblocked creature to your hand, putting Great Whale onto the battlefield tapped and attacking.
Great Whale enters the battlefield, untapping the seven lands.
Activate any creature card in your hand's ninjitsu ability by paying {1}{U}{B} and returning Great Whale to your hand, putting the creature onto the battlefield tapped and attacking.
Activate up to seven lands you control by tapping them, adding at least {3}{U}{U}{B}{B}.
Repeat from step 3.

Infinite mana lands you control can produce

Infinite untap of lands you control

Great Whale

Declare Great Whale and Silver-Fur Master as attackers.
When they aren't blocked, activate up to seven lands you control by tapping them, adding at least {1}{U}{U}{U}{B}.
Activate Thousand-Faced Shadow's ninjutsu ability by paying {1}{U}{U} and returning Silver-Fur Master 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 Silver-Fur Master's ninjutsu ability by paying {U}{B} and returning Thousand-Faced Shadow from the battlefield to your hand, putting Silver-Fur Master 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 {2}{U}{U}{U}{B}, this combo nets infinite mana.

Infinite combat damage to one opponent

Declare Silver-Fur Master, Cloud of Faeries and an additional creature as an attacker.
When they aren't blocked, activate up to two lands you control by tapping them, adding at least {U}{U}.
Activate Sakashima's Student's ninjutsu ability by paying {U} and returning the additional creature from the battlefield to your hand, putting Sakashima's Student from your hand on the battlefield tapped and attacking as a copy of Cloud of Faeries.
When Sakashima's Student enters the battlefield, it triggers, untapping up to two lands.
Activate up to two lands you control by tapping them, adding at least {U}{U}.
Activate Thousand-Faced Shadow's ninjutsu ability by paying {1}{U}{U} and returning Sakashima's Student 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 Silver-Fur Master that is tapped and attacking.
Repeat steps 3 through 5 one additional time, returning Thousand-Faced Shadow to your hand instead.
Activate Thousand-Faced Shadow's ninjutsu ability by paying {U}{U} and returning Sakashima's Student from the battlefield to your hand, putting Thousand-Faced Shadow onto the battlefield from your hand tapped and attacking.
Activate up to two lands you control by tapping them, adding at least {U}{U}.
Repeat from step 8.

Infinite tapped creature tokens that are attacking

Cloud of Faeries

Sakashima's Student

Declare another nontoken creature as an attacker.
When the creature isn't blocked by an opponent, activate up to seven lands you control by tapping them, adding at least {3}{U}{U}{B}{B}.
Activate Palinchron's ninjitsu ability by paying {1}{U}{B} and returning the unblocked creature to your hand, putting Palinchron onto the battlefield tapped and attacking.
Palinchron enters the battlefield, untapping the seven lands.
Activate any creature card in your hand's ninjitsu ability by paying {1}{U}{B} and returning Palinchron to your hand, putting the creature onto the battlefield tapped and attacking.
Activate up to seven lands you control by tapping them, adding at least {3}{U}{U}{B}{B}.
Repeat from step 3.

Palinchron

Declare Palinchron and Silver-Fur Master as attackers.
When they aren't blocked, activate up to seven lands you control by tapping them, adding at least {1}{U}{U}{U}{B}.
Activate Thousand-Faced Shadow's ninjutsu ability by paying {1}{U}{U} and returning Silver-Fur Master 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 Silver-Fur Master's ninjutsu ability by paying {U}{B} and returning Thousand-Faced Shadow from the battlefield to your hand, putting Silver-Fur Master 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 {2}{U}{U}{U}{B}, this combo nets infinite mana.

Combos with "Silver-Fur Master"