Requires

Yoshimaru, Ever Faithful must be on the battlefield. Leyline of Singularity must be on the battlefield. Animation Module must be on the battlefield. Krark-Clan Ironworks must be on the battlefield. You have a way to put a +1/+1 counter on a creature you control. Mana needed:

Steps

1. Put a +1/+1 counter on a creature you control.
2. Animation Module triggers, causing you pay to create a 1/1 Servo artifact creature token.
3. The Servo token enters the battlefield triggering Yoshimaru, putting a +1/+1 counter on Yoshimaru.
4. Animation Module triggers.
5. Holding priority, activate Krark-Clan Ironworks by sacrificing the Servo token, adding .
6. Resolve the Animation Module trigger, causing you to pay to create a 1/1 Servo creature token.
7. Repeat from step 3.

Results