Sword of the Meek, Hammerhead, Maggia Boss, and Sela, Tal Shiar Paradox

Prerequisites

• Sword of the Meek in the graveyard
• Hammerhead, Maggia Boss on the battlefield
• Sela, Tal Shiar Paradox 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. Sela triggers
4. Holding priority, activate Hammerhead by sacrificing Sword of the Meek
5. Resolve the Sela trigger, creating a 2/2 creature token
6. Repeat from step 2

Results

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