Sword of the Meek, Desecrated Tomb, and Megatog

Prerequisites

• Sword of the Meek in the graveyard
• Desecrated Tomb on the battlefield
• Megatog on the battlefield
• You have a way to cause a 1/1 creature to enter the battlefield under your control

Steps

1. Cause a 1/1 creature to enter the battlefield under your control
2. Sword of the Meek triggers, returning itself from your graveyard to the battlefield attached to the 1/1 creature
3. Desecrated Tomb triggers
4. Holding priority, activate Megatog by sacrificing Sword of the Meek
5. Resolve the Desecrated Tomb trigger, creating a 1/1 Bat creature token with flying
6. Repeat from step 2

Results

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