It plays well in flash shells like Nymris, Oona's Trickster and Alela, Cunning Conqueror, and its a fun reminder to people that firebending doesnt affect the color identity of a card, since reminder text isnt factored into color identity
Example: you could have 0A, 0B, 0C, and 0D
Official Pokmon TCG broadcasts are great to watch because the commentators explain what the cards do and break down each players strategy

A Good Thing (playtest) Abian, Luvion Usurper (playtest) Aettir and Priwen Ajani Goldmane Ajani, Caller of the Pride Ajani, Outland Chaperone Ajani, Strength of the Pride Ajani, Valiant Protector Ajani, Wise Counselor Ali from Cairo Angel of Destiny Angel of Grace Angel's Grace Angelic Enforcer Anya, Merciless Angel Arbiter of Knollridge Ayli, Eternal Pilgrim Bane, Lord of Darkness Beacon of Immortality Bhaal, Lord of Murder Biorhythm Blazing Hope Blessed Wind Captive Audience Cecil, Dark Knight Celestial Convergence Celestial Mantle Chainer's Torment Chalice of Life Cosmos Elixir Death's Shadow Doctor Strange, Surgeon Drain Life Elderscale Wurm Elenda, Saint of Dusk Enduring Angel Eternity Vessel Evra, Halcyon Witness Exquisite Archangel Flare of Fortitude Form of the Dinosaur Form of the Dragon Fortune Thief Game Over Ghazbn Ogre Happily Ever After Heartless Hidetsugu Invincible Hymn Leyline of Hope Lich Lich's Mirror Long Rest Loxodon Lifechanter Loxodon Peacekeeper Magister Sphinx Malignus Master of Cruelties Mortal Flesh Is Weak Myrkul, Lord of Bones Oketra's Last Mercy Once More with Feeling Path of Bravery Perch Protection Personal Decoy (playtest) Platinum Emperion Providence Psychic Transfer Puresteel Angel (playtest) Ral's Vanguard (playtest) Rebirth Repay in Kind Resolute Archangel

Basically, this leaves us with a scenario where all of the decks are worth their price tag, but two decks stand out above the rest
By paying attention to newly-released Japanese sets, it becomes easy to see what cards will soon be arriving in the Western version