Sword of War and Peace

(T: Add B.)

(T: Add R.)

(T: Add G.)

All permanents are artifacts in addition to their other types. All cards that aren't on the battlefield, spells, and permanents are colorless. Players may spend mana as though it were mana of any color.

As this creature enters, choose a color. All cards that aren't on the battlefield, spells, and permanents are the chosen color in addition to their other colors.

3, T: Target player mills two cards. If two cards that share a color were milled this way, repeat this process.

(T: Add W.)

(T: Add U.)