Quick question

I am making a mono blue artifact deck, can I put this card in my deck and just not cast its prototype? Also, If a card has a flip side if it that I can cast and it’s blue but the other side is green can I use the blue side? Thanks

I am making a mono blue artifact deck, can I put this card in my deck and just not cast its prototype? Also, If a card has a flip side if it that I can cast and it’s blue but the other side is green can I use the blue side? Thanks