On a more serious note, Craterhoof Behemoth is far from necessary
If you replay him or bring him back, you can still play any of the cards Exiled
Arcades Defender Tribal Commander [c]Arcades, the Strategist[/c] is the perfect defender commander, as Ive mentioned already
Abigale, Eloquent First-Year Aerial Extortionist Aetherstorm Roc Aven Brigadier Aven Courier Aven Heartstabber Aven Interrupter Aven Mimeomancer Aven Mindcensor Baleful Strix Bartz and Boko Birds of Paradise Birds of Paradise Cartographer's Hawk Celestial Gatekeeper Chicken la King Choco, Seeker of Paradise Clockwork Avian Combat Calligrapher Commander Eesha Coveted Falcon Curiosity Crafter Derevi, Empyrial Tactician Dream Strix Eagle of Deliverance Falcon and Redwing Flavor Judge Francisco, Fowl Marauder Gilded Goose Glarecaster Gravewaker Gustcloak Savior Gwaihir, Greatest of the Eagles Hardened Academic High Sentinels of Arashin Imbraham, Dean of Theory Ishai, Ojutai Dragonspeaker Jackdaw Savior Junk Diver Kangee, Aerie Keeper Kastral, the Windcrested Keeper of the Nine Gales Kykar, Wind's Fury Kykar, Zephyr Awakener Ledger Shredder Liberated Livestock Lieutenant Kirtar Lion Vulture Major Teroh Mindshrieker Mockingbird Moseo, Vein's New Dean Nadu, Winged Wisdom Nesting Dovehawk Nimble Obstructionist Owlbear Cub Owlin Spiralmancer Possessed Aven Priest of the Crossing Pyreswipe Hawk Raven Eagle Rhet-Tomb Mystic Rimefeather Owl Roc of Kher Ridges Rukh Egg Salvation Swan Senu, Keen-Eyed Protector Shaile, Dean of Radiance Sinkhole Surveyor Skyboon Evangelist Skycoach Conductor Skyway Robber
Its a 5-color pain land with a colorless buyout, and it even comes in untapped for the first three turns of the game
