Cause an artifact to enter the battlefield under your control.
Captain Storm triggers, putting a +1/+1 counter on a Pirate you control.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
When the Servo enters the battlefield, Captain Storm triggers.
Holding priority, activate Ashnod's Altar by sacrificing the Servo, adding {C}{C}.
Resolve the Captain Storm trigger, putting a +1/+1 counter on a Pirate you control.
Repeat from step 3.
Once you have infinite mana, you may forego sacrificing the Servos.

Infinite +1/+1 counters on Pirates you control

Infinite colorless mana

Infinite creature tokens

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Captain Storm, Cosmium Raider

Animation Module

Ashnod's Altar

Cause an artifact to enter the battlefield under your control.
Captain Storm triggers, putting a +1/+1 counter on a Pirate you control.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
When the Servo enters the battlefield, Captain Storm triggers.
Holding priority, activate Krark-Clan Ironworks by sacrificing the Servo, adding {C}{C}.
Resolve the Captain Storm trigger, putting a +1/+1 counter on a Pirate you control.
Repeat from step 3.
Once you have infinite mana, you may forego sacrificing the Servos.

Krark-Clan Ironworks

Cause an artifact to enter the battlefield under your control.
Captain Storm triggers, putting a +1/+1 counter on a Pirate you control.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
When the Servo enters the battlefield, Captain Storm triggers.
Holding priority, activate Phyrexian Altar by sacrificing the Servo, adding {1}.
Resolve the Captain Storm trigger, putting a +1/+1 counter on a Pirate you control.
Repeat from step 3.

Phyrexian Altar

Cause an artifact to enter the battlefield under your control.
Captain Storm triggers, putting a +1/+1 counter on a Pirate you control.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
When the Servo enters the battlefield, Captain Storm triggers.
Holding priority, activate Thermopod's second ability by sacrificing the Servo, adding {R}.
Resolve the Captain Storm trigger, putting a +1/+1 counter on a Pirate you control.
Repeat from step 3.

Thermopod

Activate Ashnod's Altar by sacrificing Lesser Masticore, adding {C}{C}.
When Lesser Masticore dies,  its persist ability triggers, returning it from your graveyard to the battlefield with a -1/-1 counter on it.
When Lesser Masticore enters the battlefield, Captain Storm triggers, putting a +1/+1 counter on Lesser Masticore.
Repeat.

Lesser Masticore

Xenograft

Activate Xavier Sal by tapping it and removing a counter from a permanent you control, creating a copy of an artifact creature token you control.
When the creature token enters the battlefield, Intruder Alarm and Captain Storm trigger.
Resolve the Intruder Alarm trigger, untapping all creatures.
Resolve the Captain Storm trigger, putting a counter on it.
Repeat.

Infinite mana creatures you control can produce

Infinite copies of creature tokens you control

Infinite untap of all creatures

Xavier Sal, Infested Captain

Intruder Alarm

Activate Sensei's Divining Top's second ability by tapping it, causing you to draw a card and put Sensei's Divining Top on top of your library.
Cast Sensei's Divining Top from the top of your library by paying {0} and removing a counter from a creature you control.
When Sensei's Divining Top enters, Captain Storm triggers, putting a +1/+1 counter on Captain Storm.
Repeat.

Combos with "Captain Storm, Cosmium Raider"