While not a foolproof means of dealing with that card, you can bet that this character card alone is going to be a major draw for many players looking to help deal with those pesky song cards from both Ruby/Amethyst decks and Amber/Steel
Any untapped creatures you control may crew, unless an effect prohibits that, such as Revoke Privileges
1 Kykar, Wind's Fury The most popular commander for Polymorph by a fairly significant margin, Kykar, Wind's Fury is also one of the best
Not only can Bearer of Silence easily kill Ojutai the turn hes played, but it can also kill an Ojutai even if the opponent has Silumgars Scorn ready to protect it
When I build a deck I will typically try and have a balance of removal
4 Slogurk, The Overslime A darker take on the Ooze concept from the nightmare plane of Innistrad, Slogurk nudges you towards an interesting land-centric playstyle