Answer:
In the evening I'm long, in the morning I'm smallอพ When seen in a ballroom, I'm nothing at all.
What's as small as a mouse but guards a house like a lion?
Scythe of darkness, Shadowโs light. Guiding eye of thirteenth sight.
You heard me before, yet you hear me again, then I die. Until you call me again.
I look at you, you look at me, I raise my right, you raise your left.
What sphinxes employ and players enjoy.