铺OOC：
- /summon FallingSand ~ ~1 ~2 {Time:1,Block:"minecraft:redstone_block",Passengers:[{id:"FallingSand",Time:1,Block:"minecraft:activator_rail",Passengers:[{id:"MinecartCommandBlock",Command:"/title @a title [{"text":"雪球弹","color":"red"}]"},{id:"MinecartCommandBlock",Command:"/title @a subtitle [{"text":"TML_天际","color":"aqua"}]"},{id:"MinecartCommandBlock",Command:"/setblock ~ ~-1 ~-2 minecraft:air"},{id:"MinecartCommandBlock",Command:"scoreboard objectives add timer dummy"},{id:"MinecartCommandBlock",Command:"give @a minecraft:snowball 1 0 {display:{Name:"雪球弹"}}"},{id:"MinecartCommandBlock",Command:"setblock ~0 ~2 ~0 repeating_command_block 1 replace {auto:1b,Command:"/testfor @a {SelectedItem:{id:minecraft:snowball,tag:{display:{Name:\\"雪球弹\\"}}}}"}"},{id:"MinecartCommandBlock",Command:"setblock ~0 ~3 ~0 chain_command_block 9 replace {auto:1b,Command:"/scoreboard players tag @e[type=Snowball] add true"}"},{id:"MinecartCommandBlock",Command:"setblock ~0 ~4 ~0 chain_command_block 1 replace {auto:1b,Command:"entitydata @e[type=Snowball] {NoGravity:1}"}"},{id:"MinecartCommandBlock",Command:"setblock ~0 ~5 ~0 chain_command_block 1 replace {auto:1b,Command:"scoreboard players add @e[type=Snowball] timer 1"}"},{id:"MinecartCommandBlock",Command:"setblock ~0 ~6 ~0 chain_command_block 1 replace {auto:1b,Command:"execute @e[type=Snowball,tag=true] ~ ~ ~ effect @e[type=!Player,r=2] 7 1 50"}"},{id:"MinecartCommandBlock",Command:"setblock ~0 ~7 ~0 chain_command_block 1 replace {auto:1b,Command:"execute @e[type=Snowball,tag=true] ~ ~ ~ effect @e[type=!Player,r=2] 6 1 50"}"},{id:"MinecartCommandBlock",Command:"setblock ~0 ~8 ~0 chain_command_block 1 replace {auto:1b,Command:"kill @e[score_timer_min=50,tag=true]"}"},{id:"MinecartCommandBlock",Command:"/setblock ~ ~-1 ~ minecraft:lava 15"},{id:"MinecartCommandBlock",Command:"setblock ~ ~ ~ air 0"}]}]}