idk what this is by matthyplayz

summon falling_block ~ ~1 ~ {Block:log,Time:1,Passengers:[{id:falling_block,Block:redstone_block,Time:1,Passengers:[{id:falling_block,Block:activator_rail,Time:1,Passengers:[{id:commandblock_minecart,Command:"kill @e[type=!Player,tag=ccp_2vyy3lrM]"},{id:commandblock_minecart,Command:"kill @e[tag=ccp_2vyy3lrM_r]"},{id:commandblock_minecart,Command:"gamerule commandBlockOutput false"},{id:commandblock_minecart,Command:"/summon Ghast ~ ~ ~ {Riding:{id:Giant}}"},{id:commandblock_minecart,Command:"/summon Zombie ~ ~ ~ {IsBaby:1,Riding:{id:Chicken}}"},{id:commandblock_minecart,Command:"/summon Pig ~0 ~0 ~0 {Riding: {id: \"Bat\"}}"},{id:commandblock_minecart,Command:"/summon FireworksRocketEntity ~1 ~1 ~1 {LifeTime:20,Motion:[0.10,0.10,0.10],FireworksItem:{id:fireworks,Count:1,tag:{Fireworks:{Explosions:[{Type:1,Flicker:1,Trail:1,Colors:[16712451],FadeColors:[16757504]},{Type:1,Flicker:0,Trail:1,Colors:[16768256],FadeColors:[3342591]},{Type:1,Flicker:1,Trail:1,Colors:[28671],FadeColors:[7340125]},{Type:1,Flicker:0,Trail:1,Colors:[11536293],FadeColors:[0]}]}}}}"},{id:commandblock_minecart,Command:"/say idk"},{id:commandblock_minecart,Command:"setblock ~ ~ ~1 command_block 0 0 {Command:\"fill ~ ~-3 ~-1 ~ ~ ~ air\"}"},{id:commandblock_minecart,Command:"setblock ~ ~-1 ~1 redstone_block"},{id:commandblock_minecart,Command:"kill @e[type=commandblock_minecart,r=1]"}]}]}]}