
Green-Blue Mutants: Behind MTG’s TMNT Mutagen Mechanics
A designer diary explains MTG’s Teenage Mutant Ninja Turtles set focusing on green-blue mutants and mutagen. After scrapping an awkward “old mutagen” idea, the team pivots to Mutagen tokens and counter-based play, featuring characters like Genghis Frog, Mutagen Man, and Venus to balance flavor with mechanics. The result is a set built around growth and mutation, with a March 6, 2026 release and preorder availability.


