686 cards found matching is mono color

Pit Rookie
Playful Phantom
Plundering Poro
Poppy, Defender of the Meek
Poppy, Paragon
Poro Herder
Poro Snax
Portal Rescue
Possession
Pouty Poro
Power Nexus
Premonition
Prepared Neophyte
Primal Strength
Prize of Progress
Production Surge
Progress Day
Promising Future
Punch First
Pyke, Dockside Butcher
Pyke, Returned
Qiyana, Victorious
Raging Firebrand
Raging Soul