Fortress

{t}: Add {c} to your mana pool
{4}{t}: Choose any number of players and/or permanents that have counters on them, then
remove one of each kind of counter that are
already there on these players or permanents
The Fortress is a special location that consists of
narrow canyons, a base camp, and the fortress. Here
you fight the Elder Dragon Lao-Shan Lung and the
giant Carapaceon Shen Gaoren