Call Stronghold

Call Stronghold FT&S p36 7th-level conjuration Casting Time: 1 hour Range: 100 feet Components: V, S, M (a fully cleared area the size of the structure and a small, perfect model of the structure worth at least 1,000 gp, which the spell consumes) Duration: Instantaneous You summon the modeled structure from one area to another, and it instantly appears within range upon the completion of this spell. If any substantial objects, debris, or similar exist in the area that the structure would materialize in, the spell fails and all components and spell slots used in casting are lost
  This spell is not limited to the plane the structure currently resides in, and can summon structures across planar boundaries.
  Classes: Bard, Cleric, Druid, Sorcerer, Warlock, Wizard Note: Both the Fighter (Eldritch Knight) and the Rogue (Arcane Trickster) spell lists include all Wizard spells. Spells of 5th level or higher may be cast with the aid of a spell scroll or similar. Source: FT&S, page 36