Arena of the Ancients + Leyline of Singularity
Produces: Creatures do not untap, Lock
- Arena of the Ancients
- Leyline of Singularity
- Color identity
- U
Steps
- Leyline of Singularity causes all nonland permanents to be legendary.
- Arena of the Ancients prevents legendary creatures from untapping during their controller's untap steps.