$1.00
Mystic Barrier 
Enchantment
Commander 2013 Rare
When Mystic Barrier enters the battlefield or at the beginning of your upkeep, choose left or right.
Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.
Each player may attack only the nearest opponent in the last chosen direction and planeswalkers controlled by that opponent.
#18 — Illus. Matt Stewart