Great Wall 

Enchantment
Creatures with plainswalk can be blocked as though they didn't have plainswalk.
Legality
standardNOT LEGALpioneerNOT LEGALmodernNOT LEGALlegacyLEGALvintageLEGALcommanderLEGAL
Enchantment
Creatures with plainswalk can be blocked as though they didn't have plainswalk.