143 cards in Ruler of the Black Flame:
Absol ex - 073/108 Absol ex - 126/108 Altaria Artazon Baltoy Basic Fire Energy Beartic Bellibolt - 041/108 Bellibolt - 112/108 Bellossom Bisharp Bonsly Bunnelby Capsakid - 009/108 Capsakid - 010/108 Carvanha Charizard ex - 066/108 Charizard ex - 125/108 Charizard ex - 134/108 Charizard ex - 139/108 Charmander Charmeleon Claydol Cleffa - 042/108 Cleffa - 113/108 Combee Cryogonal Cubchoo Darkrai Darmanitan Darumaka Diggersby Eelektrik Eelektross Eevee Eiscue ex - 020/108 Eiscue ex - 121/108 Eiscue ex - 133/108 Entei Espeon Finizen - 029/108 Finizen - 030/108 Flamigo Geeta - 103/108 Geeta - 129/108 Geeta - 137/108 Glimmet - 063/108 Glimmet - 064/108 Glimmora ex - 065/108 Glimmora ex - 124/108 Gloom - 002/108 Gloom - 109/108 Greavard - 052/108 Greavard - 053/108 Heatmor Houndoom Houndour - 071/108 Houndour - 115/108 Houndstone Inkay Kangaskhan Kingambit Larvitar - 055/108 Larvitar - 114/108 Lechonk - 096/108 Lechonk - 097/108 Lechonk - 120/108 Letter of Encouragement Linoone Lunatone Lycanroc Malamar Mawile Ninetales - 015/108 Ninetales - 110/108 Nosepass Oddish Oinkologne Ortega - 104/108 Ortega - 130/108 Palafin - 031/108 Palafin - 111/108 Paldean Clodsire Paldean Wooper - 067/108 Paldean Wooper - 068/108 Palpitoad Patrol Cap Pawniard Phantump Pidgeot ex - 089/108 Pidgeot ex - 128/108 Pidgeot ex - 136/108 Pidgeotto - 088/108 Pidgeotto - 119/108 Pidgey - 087/108 Pidgey - 118/108 Pokemon League Headquarters Poppy - 105/108 Poppy - 131/108 Poppy - 138/108 Probopass Pupitar Revavroom ex - 085/108 Revavroom ex - 127/108 Revavroom ex - 135/108 Rockruff Ruler of the Black Flame Booster Box Ruler of the Black Flame Booster Pack Ryme - 106/108 Ryme - 132/108 Scizor - 077/108 Scizor - 116/108 Scovillain Scyther Seismitoad Sharpedo Shuckle Solrock Stunfisk Swablu Tadbulb - 039/108 Tadbulb - 040/108 Thundurus Togekiss Togepi Togetic Town Store Toxel Toxtricity Trevenant Tympole Tynamo Tyranitar ex - 032/108 Tyranitar ex - 122/108 Umbreon Varoom - 083/108 Varoom - 084/108 Varoom - 117/108 Vengeful Punch Vespiquen ex - 051/108 Vespiquen ex - 123/108 Vulpix Zigzagoon