投げナイフスポナー

/give @p mob_spawner 1 0 {BlockEntityTag:{MaxNearbyEntities:20s,RequiredPlayerRange:10s,SpawnCount:1s,MaxSpawnDelay:2s,Delay:0s,SpawnRange:3s,MinSpawnDelay:0s,MadeBy:tatsu0123,EntityId:FallingSand,SpawnData:{Block:barrier,CustomName:"tatsu0123"},SpawnPotentials:[{Type:FallingSand,Weight:1,Properties:{DropItem:0b,Block:piston_extension,HurtEntities:1b,FallHurtMax:20,FallHurtAmount:20f,Time:1,Rotation:[0f,0f],Riding:{id:ArmorStand,Equipment:[{id:iron_sword},{},{},{},{}],NoGravity:0b,Small:1b,Invulnerable:1b,Invisible:1b,DisabledSlots:31,Marker:1b,Pose:{RightArm:[80f,90f,0f]},Rotation:[0f,0f],Motion:[0d,-0.25d,-0.4d],HealF:0f,DeathTime:4s}}},{Type:FallingSand,Weight:1,Properties:{DropItem:0b,Block:piston_extension,HurtEntities:1b,FallHurtMax:20,FallHurtAmount:20f,Time:1,Rotation:[180f,0f],Riding:{id:ArmorStand,Equipment:[{id:iron_sword},{},{},{},{}],NoGravity:0b,Small:1b,Invulnerable:1b,Invisible:1b,DisabledSlots:31,Marker:1b,Pose:{RightArm:[80f,90f,0f]},Rotation:[180f,0f],Motion:[0d,-0.25d,0.4d],HealF:0f,DeathTime:4s}}},{Type:FallingSand,Weight:1,Properties:{DropItem:0b,Block:piston_extension,HurtEntities:1b,FallHurtMax:20,FallHurtAmount:20f,Time:1,Rotation:[90f,0f],Riding:{id:ArmorStand,Equipment:[{id:iron_sword},{},{},{},{}],NoGravity:0b,Small:1b,Invulnerable:1b,Invisible:1b,DisabledSlots:31,Marker:1b,Pose:{RightArm:[80f,90f,0f]},Rotation:[90f,0f],Motion:[0.4d,-0.25d,0d],HealF:0f,DeathTime:4s}}},{Type:FallingSand,Weight:1,Properties:{DropItem:0b,Block:piston_extension,HurtEntities:1b,FallHurtMax:20,FallHurtAmount:20f,Time:1,Rotation:[-90f,0f],Riding:{id:ArmorStand,Equipment:[{id:iron_sword},{},{},{},{}],NoGravity:0b,Small:1b,Invulnerable:1b,Invisible:1b,DisabledSlots:31,Marker:1b,Pose:{RightArm:[80f,90f,0f]},Rotation:[-90f,0f],Motion:[-0.4d,-0.25d,0d],HealF:0f,DeathTime:4s}}}]}}