The Softening Charm - Charm cantrip
Casting Time: 1 action or reaction, which you take when a collision occurs within 30 feet

Range: 30 feet
Duration: 1 minute

This spell makes an object you can see within range become soft and bouncy, like a sponge or mattress. Any damage from falling on or colliding with this object is nullified. This spell can be cast as a reaction to a collision affecting a creature or two objects you can see within range.