Umastryx is a “When… you can…” effect, if the last thing that happened wasnt your monster being flipped face-down then Umastryx doesnt trigger, so anything that flips face-down as CL2 or higher doesnt work.
Umastryx is a “When… you can…” effect, if the last thing that happened wasnt your monster being flipped face-down then Umastryx doesnt trigger, so anything that flips face-down as CL2 or higher doesnt work.