[Hearthstone Bug] Darnassus Aspirant Battlecry turns 10/10 into 9/10 Mana

darnassus aspirant for 0 mana at 10-10 drops you to 9-10.log

D 16:36:30.0494192 GameState.DebugPrintPower() - ACTION_START Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] BlockType=PLAY Index=0 Target=0
D 16:36:30.0504194 GameState.DebugPrintPower() -     TAG_CHANGE Entity=Patashu tag=NUM_CARDS_PLAYED_THIS_TURN value=1
D 16:36:30.0509194 GameState.DebugPrintPower() -     TAG_CHANGE Entity=Patashu tag=NUM_MINIONS_PLAYED_THIS_TURN value=1
D 16:36:30.0514195 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Healing Touch id=51 zone=HAND zonePos=10 cardId=CS2_007 player=1] tag=ZONE_POSITION value=9
D 16:36:30.0524196 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Novice Engineer id=44 zone=HAND zonePos=9 cardId=EX1_015 player=1] tag=ZONE_POSITION value=8
D 16:36:30.0534197 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Claw id=21 zone=HAND zonePos=8 cardId=CS2_005 player=1] tag=ZONE_POSITION value=7
D 16:36:30.0539198 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Loot Hoarder id=10 zone=HAND zonePos=7 cardId=EX1_096 player=1] tag=ZONE_POSITION value=6
D 16:36:30.0549199 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Starfire id=19 zone=HAND zonePos=6 cardId=EX1_173 player=1] tag=ZONE_POSITION value=5
D 16:36:30.0554200 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Acolyte of Pain id=49 zone=HAND zonePos=5 cardId=EX1_007 player=1] tag=ZONE_POSITION value=4
D 16:36:30.0564201 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Innervate id=46 zone=HAND zonePos=4 cardId=EX1_169 player=1] tag=ZONE_POSITION value=3
D 16:36:30.0569202 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] tag=ZONE value=PLAY
D 16:36:30.0579203 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] tag=COST value=2
D 16:36:30.0584204 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] tag=ZONE_POSITION value=7
D 16:36:30.0594205 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] tag=EXHAUSTED value=1
D 16:36:30.0599206 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] tag=JUST_PLAYED value=1
D 16:36:30.0609207 GameState.DebugPrintPower() -     TAG_CHANGE Entity=Patashu tag=LAST_CARD_PLAYED value=11
D 16:36:30.0614208 GameState.DebugPrintPower() -     TAG_CHANGE Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] tag=COST value=0
D 16:36:30.0624209 GameState.DebugPrintPower() -     ACTION_START Entity=[name=Imperial Favor id=93 zone=PLAY zonePos=0 cardId=BRM_028e player=1] BlockType=TRIGGER Index=0 Target=0
D 16:36:30.0629209 GameState.DebugPrintPower() -         TAG_CHANGE Entity=[name=Imperial Favor id=93 zone=PLAY zonePos=0 cardId=BRM_028e player=1] tag=LAST_AFFECTED_BY value=93
D 16:36:30.0639211 GameState.DebugPrintPower() -         TAG_CHANGE Entity=[name=Imperial Favor id=93 zone=PLAY zonePos=0 cardId=BRM_028e player=1] tag=ZONE value=GRAVEYARD
D 16:36:30.0644211 GameState.DebugPrintPower() -         TAG_CHANGE Entity=[name=Imperial Favor id=93 zone=PLAY zonePos=0 cardId=BRM_028e player=1] tag=ATTACHED value=0
D 16:36:30.0654213 GameState.DebugPrintPower() -         TAG_CHANGE Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] tag=COST value=2
D 16:36:30.0659213 GameState.DebugPrintPower() -     ACTION_END
D 16:36:30.0664214 GameState.DebugPrintPower() -     ACTION_START Entity=[name=Darnassus Aspirant id=11 zone=HAND zonePos=3 cardId=AT_038 player=1] BlockType=POWER Index=-1 Target=0
D 16:36:30.0674215 GameState.DebugPrintPower() -         TAG_CHANGE Entity=Patashu tag=RESOURCES_USED value=1
D 16:36:30.0679216 GameState.DebugPrintPower() -     ACTION_END
D 16:36:30.0684216 GameState.DebugPrintPower() -     TAG_CHANGE Entity=Patashu tag=COMBO_ACTIVE value=1
D 16:36:30.0689217 GameState.DebugPrintPower() -     TAG_CHANGE Entity=Patashu tag=NUM_OPTIONS_PLAYED_THIS_TURN value=1
D 16:36:30.0694218 GameState.DebugPrintPower() - ACTION_END