This makes the card tremendously flavorful, and a perfect card to appeal to Timmys and Tammys everywhere
Magic's rules state that an object is the color(s) of the mana symbol(s) in its mana cost, regardless of what type of mana you actually use to cast it that's why an artifact like Sol Ring is colorless, no matter which color of mana you use to pay its generic cost of
Its not the most exciting thing in the deck, but neither is K9
Glorious Sunrise works beautifully in a lifegain deck because you have a load of other options to choose from if you lack lifegain synergies to trigger
All in Deep Anal is a four for one which is pretty serious value, depending on how you consider the value of discarding it, just the flashback half is a two or three for one
Green was slightly more common at 30.76%, and Blue was the most common at a 61.53% chance