Evil twin Shenanigans

[Redrighthand]

So, there's a {crypto plasm} on the field that's currently copying a {blood artist}. Player then puts down an {Evil Twin} copying the crypto plasm/blood artist.  The Evil twin can now be used to kill all blood artists and then at upkeep switch to any other creature on the board and kill that too, correct?

[Redrighthand]

Thanks! +1 to you if I can!