cutiefly pokemon card price | Toys | Pokemon Trading With Yellow And Pink Border Promo Retreat cost Evolving Skies Pokemon Card (KK146):

6 thematically-related commons and uncommons

Going Abzan not only gives us a more potent removal package, it also gives us access to solid beaters like The Gitrog Monster, whose extra land drop can help get you to Emeria Shepherd mana

Voice of Many could be worth an add too but it's a bit more conditional of course and your deck might prefer Radagast the Brown anyway Helnas on Omnath locus of mana (opinions needed) 3 years ago i see no synergy in your deck

Its easy (but expensive) to replace the mutate package with four to five Sword of X & Y cards, and Commander's Plate makes it harder for your opponents to ever block your creatures