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LMAO! There are only certain units that can be cloaked this way, and you need to make sure you have ally vision at one time. I saw a list of cloakable units somewhere, forget where. But really, try Dk's P161 method. It's much more reliable.
I think the list is in Tutorials section.
I wont say DK's method is more reliable, using players 13+ has its bugs.
using player 161 does not enable enrgy regeneration so your ghosts, arbiters, will never their energy go up but it will go down using spells and stuff.