My Ideas For Additions

Sleeping Bag
You can sleep in the Nether and End with it, without blowing it up. It placeable on any surface.

Ender Crystal
Once you place it any where and destroy it, the Ender Dragon will lose 10 hearts.

Nether Crystal
Once you place it any where and destroy it, the Nether Dragon will lose 10 hearts.

Gravestone
It is a stone block, 1 block tall, and you can carve a message on it.

Chair
You can sit on it.

Table
You can place items on it.

Book Stand
You can place books on it, and read them, page from page.

Fireplace
It is used as a fireplace, it can't ignite any flameable objects near it.

Shield
(NOTE) Works with any ore that can be crafted for armor or tools.