Wall of Diffusion 
Creature — Wall
Defender (This creature can't attack.) This creature can block creatures with shadow as though it had shadow.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Creature — Wall
Defender (This creature can't attack.) This creature can block creatures with shadow as though it had shadow.