Sword of the Meek, Lithatog, and Garrison Excavator

Prerequisites

• Sword of the Meek in the graveyard
• Lithatog on the battlefield
• Garrison Excavator on the battlefield

Steps

1. Cause a 2/2 creature to enter the battlefield under your control, which enters as a 1/1
2. Sword of the Meek triggers, returning itself from your graveyard to the battlefield attached to the 1/1 creature
3. Garrison Excavator triggers
4. Holding priority, activate Lithatog by sacrificing Sword of the Meek
5. Resolve the Garrison Excavator trigger, creating a 2/2 creature token
6. Repeat from step 2

Results

• Infinite ETB
• Infinite creature tokens
• Infinitely large creature until end of turn