Scroll of Barkskin

Cast Barkskin for 5 rounds of combat
On use, roll 1d20
1: +2 AC to closest enemy
2-10: +1 AC to self
11-16: +1 AC to self or target within 10 ft.
17-19: +2 AC to self or target within 10 ft.
20: +2 AC to self and target within 10 ft.