None.
I think this was mentioned some time ago in earlier threads/posts, you CAN'T, I repeat, CAN'T change the terrain with an Extended Unit Death Trigger. 

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NudeRaider -- Also I like how someone quoted you a few posts down and there you can still your old username.
NudeRaider -- Neither did I.
I tried to link a Blizzard source but I think they eventually took it down for some reason, so I was happy to find it here. 
Ultraviolet -- NudeRaider
NudeRaider -- DarkenedFantasies
NudeRaider -- Oh and that's on Win 10 as well, but a IoT Enterprise LTSC edition which (I think?) misses the latest feature upgrades, despite being current on security updates.
NudeRaider -- DarkenedFantasies
DarkenedFantasies -- As for the 0 bytes zip, you just rename the file extension of any 0-byte file to zip. I however had to make it 1 byte because SEN throws an error when uploading a 0 bytes file.
Ultraviolet