Potion

summon FallingSand ~ ~1 ~ {Block:stone,Time:1,Passengers:[{id:FallingSand,Block:redstone_block,Time:1,Passengers:[{id:FallingSand,Block:activator_rail,Time:1,Passengers:[{id:MinecartCommandBlock,Command:gamerule commandBlockOutput false},{id:MinecartCommandBlock,Command:summon ArmorStand ~ ~-4.07062 ~0.191406 {Small:1,DisabledSlots:1,Invisible:1,NoGravity:1,ArmorItems:[{},{},{},{id:dragon_breath}]}},{id:MinecartCommandBlock,Command:summon ArmorStand ~0.191406 ~-4.07062 ~ {Pose:{Head:[0f,-90f,0f]},Small:1,DisabledSlots:1,Invisible:1,NoGravity:1,ArmorItems:[{},{},{},{id:dragon_breath}]}},{id:MinecartCommandBlock,Command:summon ArmorStand ~-0.135345 ~-4.07062 ~0.135345 {Pose:{Head:[0f,45f,0f]},Small:1,DisabledSlots:1,Invisible:1,NoGravity:1,ArmorItems:[{},{},{},{id:dragon_breath}]}},{id:MinecartCommandBlock,Command:summon ArmorStand ~0.135345 ~-4.07062 ~0.135345 {Pose:{Head:[0f,-45f,0f]},Small:1,DisabledSlots:1,Invisible:1,NoGravity:1,ArmorItems:[{},{},{},{id:dragon_breath}]}},{id:MinecartCommandBlock,Command:setblock ~ ~ ~1 command_block 0 replace {Command:fill ~ ~-3 ~-1 ~ ~ ~ air}},{id:MinecartCommandBlock,Command:setblock ~ ~-1 ~1 redstone_block},{id:MinecartCommandBlock,Command:kill @e[type=MinecartCommandBlock,r=1]}]}]}]}