Kappa Cannoneer + Animation Module + Phyrexian Altar

Prerequisites

• You have a way to cause an artifact to enter the battlefield under your control.

Steps

1. 1Cause an artifact to enter the battlefield under you control.
2. 2The artifact enters the battlefield, triggering Kappa Cannoneer, putting a +1/+1 counter on it and making it unblockable this turn.
3. 3Animation Module triggers, causing you to pay to create a 1/1 Servo artifact creature token.
4. 4The Servo enters the battlefield, triggering Kappa Cannoneer.
5. 5Holding priority, activate Phyrexian Altar by sacrificing the Servo, adding one mana of any color.
6. 6Resolve the Kappa Cannoneer trigger, putting a +1/+1 counter on it and making it unblockable this turn.
7. 7Repeat from step 3.

Effects

• Infinite +1/+1 counters on a creature
• Infinite creature ETB
• Infinite creature LTB
• Infinite creature sacrifice triggers
• Infinite death triggers