Ratadrabik of Urborg, Leyline of Singularity, and Sakura-Tribe Elder

Prerequisites

• Ratadrabik of Urborg on the battlefield
• Leyline of Singularity on the battlefield
• Sakura-Tribe Elder on the battlefield

Steps

1. Activate Sakura-Tribe Elder by sacrificing it
2. When Sakura-Tribe Elder dies, Ratadrabik triggers, creating a token copy of Sakura-Tribe Elder that is a 2/2 legendary Zombie in addition to its other types
3. Resolve the Sakura-Tribe Elder ability
4. Repeat using the Sakura-Tribe Elder token

Results

• Infinite ETB
• Infinite LTB
• Infinite death triggers
• Infinite sacrifice triggers
• Put all basic lands from your library onto the battlefield tapped