2020-02-29 : Avatar of Me is only the color of your eyes, not the color of your eyes and blue. That is, the color it gets from its last ability overrides the blue it gets from its mana cost.

2020-02-29 : If each of your eyes is a different color (naturally or via a single contact lens), Avatar of Me is both colors.

2020-02-29 : If you’re wearing colored contact lenses, Avatar of Me is whatever color your eyes appear to be. You can add or remove contact lenses to change your eye color in response to spells and abilities.

2020-02-29 : Silver-bordered rules include any conceivable eye color, not just the five traditional Magic colors. If your eye are hazel, Avatar of Me is hazel.

2020-02-29 : Thanks to Avatar of Me, if you’re asked to choose a color in a silver-bordered game, you can name any color. “That dreamy shade of blue found only in the sky on a perfect afternoon… and in your eyes” is acceptable, but a little weird.