Urza, Lord High Artificer + Animation Module + Kappa Cannoneer

Prerequisites

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Steps

1. 1Cast Animation Module by paying .
2. 2When Animation Module enters, Kappa Cannoneer triggers, putting a +1/+1 counter on it.
3. 3Animation Module triggers. Holding priority, activate Urza's first ability by tapping an artifact you control, adding .
4. 4Resolve the Animation Module trigger, causing you to pay to create a 1/1 Servo artifact creature token.
5. 5When the Servo enters, Kappa Cannoneer triggers, putting a +1/+1 counter on it.
6. 6Repeat from step 3.

Effects

• Infinite +1/+1 counters on a creature
• Infinite ETB
• Infinite tapped creature tokens