Cause an artifact to enter the battlefield under you control.
The artifact enters the battlefield, triggering Kappa Cannoneer, putting a +1/+1 counter on it and making it unblockable this turn.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
The Servo enters the battlefield, triggering Kappa Cannoneer.
Holding priority, activate Ashnod's Altar by sacrificing the Servo, adding {C}{C}.
Resolve the Kappa Cannoneer trigger, putting a +1/+1 counter on it and making it unblockable this turn.
Repeat from step 3.

Infinite +1/+1 counters on Kappa Cannoneer

Infinite colorless mana

Infinite death triggers

Infinite ETB

Infinite LTB

Infinite sacrifice triggers

Infinite creature tokens

Kappa Cannoneer

Animation Module

Ashnod's Altar

Cause an artifact to enter the battlefield under you control.
The artifact enters the battlefield, triggering Kappa Cannoneer, putting a +1/+1 counter on it and making it unblockable this turn.
Animation Module triggers, causing you to pay {1} to create a 1/1 Servo artifact creature token.
The Servo enters the battlefield, triggering Kappa Cannoneer.
Holding priority, activate Phyrexian Altar by sacrificing the Servo, adding one mana of any color.
Resolve the Kappa Cannoneer trigger, putting a +1/+1 counter on it and making it unblockable this turn.
Repeat from step 3.

Phyrexian Altar

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, Kappa Cannoneer triggers, putting a +1/+1 counter on Kappa Cannoneer.
Repeat.

Infinite card draw

Infinite draw triggers

Near-infinite storm count

Falco Spara, Pactweaver

Sensei's Divining Top

Cloud Key

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 Kappa Cannoneer trigger.
Resolve the Intruder Alarm trigger, untapping all creatures.
Resolve the Kappa Cannoneer trigger, putting a counter on it.
Repeat.

Infinite mana creatures you control can produce

Infinite untap of all creatures

Infinite copies of creature tokens you control

Xavier Sal, Infested Captain

Intruder Alarm

Cast Moritte of the Frost from your hand or from the command zone by paying {2}{G}{U}{U} plus commander tax, if applicable, choosing to have it enter the battlefield as a copy of Staff of Eden.
Put Moritte of the Frost into your graveyard due to the legend rule.
Morrite of the Frost's enters-the-battlefield ability and Kappa Cannoneer trigger.
Resolve the Kappa Cannoneer trigger, putting a +1/+1 counter on it and causing it to be unblockable this turn.
Resolve the Moritte of the Frost trigger, returning Moritte of the Frost from your graveyard to the battlefield as a copy of Staff of Eden.
Repeat from step 2.

Moritte of the Frost

Staff of Eden, Vault's Key

Combos with "Kappa Cannoneer"