The set wanted graveyard synergies and +1/+1 counter themes to coexist, and connive naturally fed both
Each tri-color combination has its unique strengths and weaknesses
Bloomburrow is not a particularly strong constructed set and none of the mechanics offer a particularly good reason to maxamize them, so the set is left relying on stand alone cards
Avatar Roku Awaken the Sky Tyrant Brood Keeper Broodmate Dragon Broodmate Tyrant Cavern-Hoard Dragon Death by Dragons Decadent Dragon Decadent Dragon Descent of the Dragons Draconautics Engineer Draconic Disciple Dragon Broodmother Dragon Cultist Dragon Egg Dragon Roost Dragon Trainer Dragon Whisperer Dragonback Assault Dragonbroods' Relic Dragonkin Berserker Dragonmaster Outcast Elemental Eruption Eris, Roar of the Storm Feywild Caretaker Feywild Trickster Feywild Visitor Ganax, Astral Hunter Goldspan Dragon Goro-Goro and Satoru Goro-Goro, Disciple of Ryusei Lathliss, Dragon Queen Look Skyward and Despair Loot Dispute Magda, Brazen Outlaw Magda, the Hoardmaster Manaform Hellkite Mega Flare Miirym, Sentinel Wyrm Necromaster Dragon Nesting Dragon Ran and Shaw Rapacious Dragon Rite of the Dragoncaller Rith, Liberated Primeval Rith, the Awakener Avatar Rohgahh, Kher Keep Overlord Sarkhan Unbroken Sarkhan the Mad Sarkhan the Masterless Sarkhan, Dragon Ascendant Shiv Skyline Despot Sword of Dungeons & Dragons Tatsumasa, the Dragon's Fang The Elder Dragon War There and Back Again Timeless Dragon Utvara Hellkite Verix Bladewing Vrondiss, Rage of Ancients Wake the Dragon Wasitora, Nekoru Queen Will of the Temur Young Red Dragon Young Red Dragon
