Dream of the Blue Veil

[ Songe du voile bleu ]
level 7 - conjuration
Casting Time: 10 minutes
Range: 20 feet
Components: V, S, M (a magic item or a willing creature from the destination world)
Duration: 6 hours

Description not available (not OGL).
But here is a summary:

You and up to 8 willing creatures fall unconscious and are physically transported to another world on the material plan.
Bard
Sorcerer
Warlock
Wizard
Tasha´s Cauldron of Everything
  1. DnD 5e Spells › Dream of the Blue Veil