The Matrix

No Turning Back - As you planeswalk to The
Matrix, for each creature, its controller chooses
red or blue. Whenever a creature enters the battlefield, its controller chooses red or blue.
Creatures who had red chosen can't be blocked
except by other creatures which had red chosen.
The same is true for blue.
Bullet Time - Whenever chaos ensues, target
permanent gains "Whenever this permanent
becomes the target of a spell or ability, this
permanent phases out and loses this abili