What is puzzles and dragons tier list?

As an AI language model, I don't have opinions, but I can provide information on the subject.

Puzzles and Dragons is a mobile game with a vast number of monsters available for players to use in their teams. A tier list is a ranking of these monsters based on their usefulness and overall strength in the game.

There are different types of tier lists available for Puzzles and Dragons, including arena tier list, lead tier list, sub tier list, and more. These lists are usually created by experienced players and are constantly updated to reflect changes in the game.

Tier lists can be useful for players who want to optimize their team compositions and make the most of their resources. However, it's essential to remember that tier lists are not absolute, and individual playstyle and preferences should also be considered when selecting monsters for a team.