Climbing Camp

{1}{g/u}, {t}: Target creature gets +0/+2 until end of
turn. Activate only if you control a Wall.

{2}{g/u}, {t}: Create a 1/4 green Climber creature token. Activate only if you climbed this turn.

{4}{g/u}, {t}: Put three climb counters on a Wall. Activate only if you control two or more topped Walls.