Pyramid in Red and Black

A Pyramid made of obsidian and redstone blocks with four entrances and lights inside to prevent mob spawning.


Command block generator command:
summon falling_block ~0 ~1 ~0 {Block:red_glazed_terracotta,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:"gamerule commandBlockOutput false"},{id:commandblock_minecart,Command:"fill ~ ~-3 ~ ~0 ~-3 ~ command_block 2 replace {Command:""}"},{id:commandblock_minecart,Command:"setblock ~5 ~-2 ~-1 furnace"},{id:commandblock_minecart,Command:"setblock ~-3 ~-3 ~-1 redstone_block"},{id:commandblock_minecart,Command:"setblock ~-5 ~-2 ~-3 observer 4"},{id:commandblock_minecart,Command:"setblock ~-4 ~-2 ~-3 slime"},{id:commandblock_minecart,Command:"setblock ~-3 ~-2 ~-3 sticky_piston 4"},{id:commandblock_minecart,Command:"setblock ~-5 ~-2 ~-2 furnace 4"},{id:commandblock_minecart,Command:"setblock ~-4 ~-2 ~-2 sticky_piston 5"},{id:commandblock_minecart,Command:"fill ~-3 ~-2 ~-2 ~-3 ~-2 ~-1 slime"},{id:commandblock_minecart,Command:"setblock ~-2 ~-2 ~-2 observer 5"},{id:commandblock_minecart,Command:"setblock ~ ~ ~1 command_block 0 replace {Command:"fill ~ ~-2 ~-1 ~ ~1 ~ air"}"},{id:commandblock_minecart,Command:"summon falling_block ~ ~2 ~1 {Block:redstone_block,Time:1}"},{id:commandblock_minecart,Command:"kill @e[type=commandblock_minecart,r=2]"}]}]}]}