Leyline of Singularity + Ratadrabik of Urborg + Yahenni, Undying Partisan

WUB identity

Commander legal

The 3 combo pieces

How to execute it

  1. Activate Yahenni 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 Yahenni ability.
  4. Repeat.

What the combo produces