Deep Sea Serpant

If you have a {w} creature in play Deep Sea Serpant becomes a 2/5. If you have a {b} creature in play Deep Sea Serpant becomes a 3/4. (If you have both {w} and {b} creatures in play, you must choose which advantage you prefer at the beginning of each of your turns). Deep Sea Serpant is typically not aggressive, but when provoked can be quite a challenge.