The Great Wall of China

Reach, Shroud
Other Walls you control gain +2/+1 and reach
{x}: create a 1/X Wall Section token with
Defender and Intimidating. (This creature
can block 2 creatures. This also counters
Menace).
{t}{2}{p/c}: Great Wall of China deals X
damage to target attacking creature, where
X is the number of Walls on the battlefield