/svom
In the game
Usage: /svoma <number> <index 0-15> <source object ID> <TXD name> <texture name> [ARGB colour]
e.g. /svoma 0 0 19341 egg_texts easter_egg02 0xFF00FF00 (/svoma <number> <index> 0 removes it; /rvoma, /ravoma)
What it does
Not explained in detail yet.
Wiki