Can forced march be used to move a battlefield/kingdom/quest zone only unit to another zone? It severely limits the cards usefulness if it can't move a battlefield only unit to another zone (Ironclaw's horde is a prime example [4 power 2 hp early rusher]). I once got Ironclaw's horde up in second turn, it was pretty much gg unless he could move it away. Or can a hero unit be moved to another zone which already has a hero?
My guess would be that it's allowed, but not really sure so I'm asking here now
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