Is Dark Maze legal in Standard, Modern, and Commander?

Dark Maze is legal in: Legacy, Vintage, Commander, Pauper.

What type of card is Dark Maze?

Dark Maze is a Creature — Wall. Its oracle text reads: "Defender (This creature can't attack.){0}: Dark Maze can attack this turn as though it didn't have defender. Exile it at the beginning of the next end step."

Dark Maze

Creature — Wall

Defender (This creature can't attack.)<br>: Dark Maze can attack this turn as though it didn't have defender. Exile it at the beginning of the next end step.