Lines of single/Eroldin_01_Mastering_the_Red_Dragons.lua from check-in 1f58186fe9 that are changed by the sequence of edits moving toward check-in 44e5fac0d7:

                         1: --[[message
                         2: A simple puzzle, which teaches a Red Dragon Archfiend line combo
                         3: ]]
                         4: 
                         5: 
                         6: --Mastering the Red Dragons
1f58186fe9 2023-07-16    7: Debug.SetAIName("Eroldin")
                         8: Debug.ReloadFieldBegin(DUEL_ATTACK_FIRST_TURN+DUEL_SIMPLE_AI)
                         9: Debug.SetPlayerInfo(0,100,0,0)
                        10: Debug.SetPlayerInfo(1,9700,0,0)
                        11: 
                        12: --Challenger's Spell zone
                        13: Debug.AddCard(42079445,0,0,LOCATION_SZONE,1,POS_FACEDOWN) --Descending Lost Star
                        14: Debug.AddCard(76407432,0,0,LOCATION_SZONE,2,POS_FACEDOWN) --Assault Counter
                        15: Debug.AddCard(80280737,0,0,LOCATION_SZONE,3,POS_FACEDOWN) --Assault Mode Activate
                        16: 
                        17: --Challenger's Hand
                        18: Debug.AddCard(20474741,0,0,LOCATION_HAND,0,POS_FACEUP) --Trident Warrior
                        19: Debug.AddCard(57568840,0,0,LOCATION_HAND,0,POS_FACEUP) --Delta Flyer
                        20: Debug.AddCard(8487449,0,0,LOCATION_HAND,0,POS_FACEUP) --Jester Confit
                        21: Debug.AddCard(16638212,0,0,LOCATION_HAND,0,POS_FACEUP) --Creation Resonator
                        22: Debug.AddCard(5780210,0,0,LOCATION_HAND,0,POS_FACEUP) --D.D. Spirte
                        23: 
                        24: --Challenger's Deck
                        25: Debug.AddCard(77336644,0,0,LOCATION_DECK,0,POS_FACEDOWN) --Red Dragon Archfiend/Assault Mode
                        26: 
                        27: --Challenger's Extra Deck
                        28: Debug.AddCard(70902743,0,0,LOCATION_EXTRA,0,POS_FACEDOWN) --Red Dragon Archfiend
                        29: Debug.AddCard(97489701,0,0,LOCATION_EXTRA,0,POS_FACEDOWN) --Red Nova Dragon
                        30: 
                        31: --Eroldin's Monster zone
                        32: Debug.AddCard(31122090,1,1,LOCATION_MZONE,2,POS_FACEUP_ATTACK) --Lancer Lindwurm
                        33: 
                        34: --Eroldin's Spell zone
                        35: Debug.AddCard(44095762,1,1,LOCATION_SZONE,2,POS_FACEDOWN) --Mirror Force
                        36: 
                        37: --Start the Puzzle
                        38: Debug.ReloadFieldEnd()
                        39: aux.BeginPuzzle()