Squirming Snaketipede

Squirming Snaketipede enters the battlefield with
X Leg counters on it.
Squirming Snaketipede gets +1/+1 and can block
and additional creature for each Leg counter on it.
Whenever Squirming Snaketipede blocks or
becomes blocked, remove a Leg counter from it.
{u/b}{g}: Put a Leg counter on Squirming
Snaketipede.