Murrus, Wall of the World

Defender, All Seeing
Eminence — At the beginning of your upkeep,
put a shield counter on all walls you control.
{g}{g}, Each wall you control gains +1/ +1
counter for each shield counter on them.
All walls you control lose all shield counters. {w}{w}, You gain life equal to the total number of
+1/+1 on all wall you control.
{u}{u}, Draw a card for every 3 life you have above
your starting life total.