Guys it is really not that difficult, you are killing him
Imagine you are in a cave and you might have crystals in the walls of the cave and you might want those crystals to gleam to make the scene alive, to be not static. Or a lava flow that is animating, glowing and that sort of things. It is can be done with sprites or even particles maybe but he is asking for to be able to add animations even to tiled sprites and make them animate similar to sprite objects.
Imagine something like this using tiled sprite: