Advanced Search Sets Random Syntax Aang, Master of Elements Abomination of Gudul Aclazotz, Deepest Betrayal Aerial Extortionist Aether Channeler Ahriman Alandra, Sky Dreamer All-Seeing Arbiter Ancient Silver Dragon Angel of the God-Pharaoh Angelic Sell-Sword Angelic Sleuth Arbiter of Woe Arcades, the Strategist Archfiend of Ifnir Archive Haunt Archon of Cruelty Arjun, the Shifting Flame Ascendant Spirit Atemsis, All-Seeing Aurelia, the Law Above Avaricious Dragon Avatar Aang Aven Fisher Aven Heartstabber Avian Oddity Azor, the Lawbringer Bahamut, Warden of Light Baleful Strix Battle Angels of Tyr Battlewing Mystic Baxter, Fly in the Ointment Bazaar Trademage Be'lakor, the Dark Master Beast, Erudite Aerialist Betor, Kin to All Bloodtracker Bloodvial Purveyor Blue Marvel, Adam Brashear Bone Devourer Buzz Bots Buzzard-Wasp Colony Bygone Bishop Canoptek Spyder Carrier Pigeons Cavalier of Gales Cephalid Scout Chronomancer Cipherbound Spirit Clavileo, First of the Blessed Clinquant Skymage Cloud of Faeries Cloudblazer Cloudkin Seer Cold Case Cracker Consecrated Sphinx Coveted Falcon Crackling Drake Crookclaw Elder Curator of Mysteries Curiosity Crafter Cyclonus, the Saboteur Darkslick Drake Deadshot Minotaur Defiler of Dreams Dennick, Pious Apparition Didact Echo Dimir Strandcatcher Dirgur Island Dragon Doomsday Excruciator Dragonfly Swarm Dreadwing Scavenger

At least Bakis Curse might accidentally kill an occasional creature
Architect of the Untamed is generating one energy counter each turn you make a land drop, two if that land was a fetchland, and more if you are running Green ramp staples such as Rampant Growth and Skyshroud Claim
Tons of symmetrical draw, mana doublers for everyone, etc