Deflect Projectile

3 semi-transparent pillars of blue color emerge from the ground and circle around your enemy, you shoot an arrow, but it bursts into pieces as it hits one of the pillars.

Target 1 creature of your choice, for the duration of the spell, enemies have disadvantage with ranged attacks against your target. Your target takes half damage from the magic missile spell*.

The spell ends if you lose your concentration or if you or your target no longer makes contact with the ground.
If you have multiple targets and one of them no longer touches the ground, the spell will only end for the target that is/was no longer on the ground.

At higher levels

For each Spellslot above 2 you can target one additional person. 

Choose one of the following options while casting this Spell, one for every Spellslot-level above level 3:

This spell does not require concentration to maintain but you still have to be on the ground.
OR
This spell does no longer require you or your targets to touch the Ground but you still need concentration.
OR
Your Target(s) gain immunity against ranged damage, but the drawbacks still apply.
OR
Every Target gains 1 AC for the duration of the spell.