Ratadrabik of Urborg, Leyline of Singularity, and Basal Sliver

Prerequisites

• Ratadrabik of Urborg on the battlefield
• Leyline of Singularity on the battlefield
• Basal Sliver on the battlefield

Steps

1. Activate Basal Sliver by sacrificing it
2. When Basal Sliver dies, Ratadrabik triggers, creating a token copy of Basal Sliver that is a 2/2 legendary Zombie in addition to its other types
3. Repeat using the Basal Sliver token

Results

• Infinite ETB
• Infinite LTB
• Infinite black mana
• Infinite death triggers
• Infinite sacrifice triggers