Aminatou, the Fateshifter
{W}{U}{B}
Legendary Planeswalker -- Aminatou
3
[+1]: Draw a card, then put a card from your hand on top of your library.
[-1]: Exile another target permanent you own, then return it to the battlefield under your control.
[-6]: Choose left or right. Each player gains control of all nonland permanents other than ~this~ controlled by the next player in the chosen direction.
~this~ can be your commander.
Mystic Barrier
{4}{W}
Enchantment
When ~this~ enters and 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.