Still having this issue, although I may have discovered that it's either a controller input delay issue, or the game's inability to register so many inputs so fast. It's presumably casting my LT->Down skill because, after switching out of Cleric Stance, I'm scrolling down the party list with the D-Pad to choose the target for my heals. However, I don't have LT pressed at this point, and don't until I cast my heal. But the input of LT->A, Down, Down, LT->Left at mach speed might be causing either the controller or game to double-count my last Down entry as my skillcast. In other words, I'm somehow casting LT->Down by entering Down->LT too fast.