You create a shimmering ladder to aid your ascent.

Encounter   ✦     Arcane, Conjuration
Standard Action      Ranged 10

Effect: You conjure a ladder of arcane force in an unoccupied square within range. The ladder can be up to 8 squares tall and lasts until the end of the encounter. The ladder stands firmly, does not need to be attached to anything, and cannot be moved unless you permit it. Climbing the ladder requires a DC 10 Athletics check.

Published in Dragon Magazine 383, page(s) 53.