Alaundo the Seer Amzu, Swarm's Hunger Anowon, the Ruin Sage Archelos, Lagoon Mystic Ardoz, Cobbler of War Ashling the Pilgrim Ashling, Flame Dancer Ashling, the Extinguisher Atla Palani, Nest Tender Averna, the Chaos Bloom Baeloth Barrityl, Entertainer Ben-Ben, Akki Hermit Bortuk Bonerattle Brallin, Skyshark Rider Bright-Palm, Soul Awakener Bugenhagen, Wise Elder Chandra, Fire of Kaladesh Colfenor, the Last Yew Delina, Wild Mage Doran, the Siege Tower Drana, Kalastria Bloodchief Emmara Tandris Gavi, Nest Warden Ghave, Guru of Spores Ghired, Conclave Exile Ghired, Mirror of the Wilds Grismold, the Dreadsower Grumgully, the Generous Gut, True Soul Zealot Heartless Hidetsugu Hivis of the Scale Izoni, Thousand-Eyed Judith, Carnage Connoisseur Judith, the Scourge Diva Juri, Master of the Revue Kaervek the Merciless Kiki-Jiki, Mirror Breaker Kumano, Master Yamabushi Kumena, Tyrant of Orazca Lagomos, Hand of Hatred Livaan, Cultist of Tiamat Lozhan, Dragons' Legacy Mayael the Anima Mazirek, Kraul Death Priest Meren of Clan Nel Toth Nashi, Moon's Legacy Nassari, Dean of Expression Neera, Wild Mage Nogi, Draco-Zealot Plargg, Dean of Chaos Rakka Mar Reki, the History of Kamigawa Rootha, Mercurial Artist Rosheen Meanderer Rosheen, Roaring Prophet Runadi, Behemoth Caller Rydia, Summoner of Mist Sachi, Daughter of Seshiro Sakiko, Mother of Summer Sapling of Colfenor Sarkhan, Soul Aflame Savra, Queen of the Golgari Sek'Kuar, Deathkeeper Shizuko, Caller of Autumn Sidisi, Brood Tyrant Subira, Tulzidi Caravanner Sunastian Falconer Tasigur, the Golden Fang Thrun, Breaker of Silence Thrun, the Last Troll Tishana, Voice of Thunder Tuvasa the Sunlit
At the start of its controller's upkeep it creates a 1/1 Eldrazi Scion creature token, which can be sacrificed to produce one colorless mana
We may see the damaged card back return in the future, due to the communities fondness for it, though its impossible to say at this stage
Firebending abilities aren't mana abilities
