Earth Barrier

1st-level (abjuration; earth, protection)
Class(es): Druid
Casting Time: 1 Reaction, which you take when you are targeted with a ranged attack
Range: Short (30 feet)
Components: V, S
Duration: 1 minute

Choose an unoccupied space between you and the source of the attack which triggers the spell. You call forth a pillar of earth or stone (3 feet diameter, 20 feet tall, AC 10, 20 hit points) in that space that provides you with three-quarters cover (+5 to AC, Dexterity saving throws, and ability checks made to hide).