Battlement Colossus

Reach, Defender
If one or more +1/+1 counters would be put on a creature you control, that many plus one +1/+1 counters are put on it instead.
{3}{g}: Bolster 1.
Outlast ({w}, Tap: Put a +1/+1 counter on this creature. Outlast only as a sorcery.)
"The capitol doesn't need perimeter walls"