Dark Maze 

Creature — Wall
Defender (This creature can't attack.)
: This creature can attack this turn as though it didn't have defender. Exile it at the beginning of the next end step.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL