Bridges of Valakut

Bridge Across - {t}: Target Wall can't block this
turn.
Fallen - {3}, {t}: Target creature doesn't untap
during its controller's next untap step.
Rappel Down - {4}, {t}: Venture into the dungeon. Activate only as a sorcery. (Enter the first room or advance to the next room.)
"Is this really the only way up there?"