Changes spawn eggs into mob cards, with different card colors for different groups of mobs, and a blue portal as the back art for the cards.
The icons for the passive mob cards.
The icons for the neutral mob cards.
The icons for the hostile mob cards.
How the cards look when held by the player.
The first person view of holding the cards.
Example of a few cards on item frames.
Example of the dropped cards with the blue back pattern.
Example of the cards being displayed in shelves.