Ratadrabik of Urborg, Leyline of Singularity, and Hammerhead, Maggia Boss

Prerequisites

• Ratadrabik of Urborg on the battlefield
• Leyline of Singularity on the battlefield
• Hammerhead, Maggia Boss on the battlefield

Steps

1. Activate Hammerhead by sacrificing any other creature you control
2. When the creature dies, Ratadrabik triggers, creating a token copy of the creature that is a 2/2 legendary Zombie in addition to its other types
3. Resolve the Hammerhead ability
4. Repeat

Results

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