
This spell costs less to cast for each land your opponents control that could produce
.
Flying
When this creature enters, destroy target nonbasic land an opponent controls.
Illustrated by Lucas Graciano · Modern Horizons 2 · #353
2021-06-18
Obsidian Charmaw's first ability counts each land your opponents control that would produce {C} if one of that land's abilities resolved. It doesn't matter whether that land's controller could currently activate the ability or not.