Works in 1.13+ on PC
MINECRAFT COSTUME COMMANDS
If the commands are broken you may play on wrong verision or you may need to run them through a command block, make sure to NEVER spawn in creatures in a world you don't wanna ruin.
Make sure to test these commands in a world you don't really care aboute like in a superflat new created world.
Most commands here are written by: FilipKZ and K33J if not credited anything else!
Good luck and have a nice day =P
Rider of death
/summon minecraft:ender_dragon ~ ~1 ~ {Passengers:[{id:"minecraft:wither",CustomName:"\"Death Rider\"",CustomNameVisible:1,PersistenceRequired:1b,Glowing:1,CanPickUpLoot:1b,Health:2000,Attributes:[{Name:"generic.maxHealth",Base:2000},{Name:"generic.followRange",Base:500},{Name:"generic.knockbackResistance",Base:1f},{Name:"generic.movementSpeed",Base:2f}],Fire:1277951,Silent:1,HandDropChances:[2F,2F],HandItems:[{id:"minecraft:wither_skeleton_skull",tag:{display:{Name:"Head of Death",Lore:["\"Once a part of the feared Death rider\""]}},Count:3},{id:"minecraft:soul_sand",tag:{display:{Name:"Soul of Death",Lore:["\"Evil forces rebuilt a monster, a creature... OF DEATH!\""]}},Count:64}],ArmorDropChances:[2F,2F,2F,2F],ArmorItems:[{id:"minecraft:dragon_head",tag:{display:{Name:"Death Dragons head",Lore:["\"The beast was defeated by the Death and forced to be its slave\""]}},Count:1},{id:"minecraft:end_crystal",tag:{display:{Name:"Heart of \"that thing\"",Lore:[". . ."]}},Count:1},{id:"minecraft:dragon_breath",tag:{display:{Name:"Dragons Breath",Lore:[". . . . ?"]}},Count:64},{id:"minecraft:music_disc_11",tag:{display:{Name:"h€I_P U$",Lore:["W£ N€EÐ ĦEŁp N0W, ÞŁ€ª§€ ĦeLp..."]}},Count:1}],ActiveEffects:[{Id:2,Amplifier:2,Duration:2147483647,ShowParticles:0b},{Id:8,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:10,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:11,Amplifier:2,Duration:2147483647,ShowParticles:0b},{Id:12,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:13,Amplifier:2,Duration:2147483647,ShowParticles:0b},{Id:16,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:21,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:22,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:23,Amplifier:4,Duration:2147483647,ShowParticles:0b},{Id:24,Amplifier:2,Duration:2147483647,ShowParticles:0b},{Id:28,Amplifier:2,Duration:2147483647,ShowParticles:0b}]}]}
CREEPER THAT GOES KA-BOOM
/summon minecraft:creeper ~ ~1 ~ {Passengers:[{id:"minecraft:creeper",powered:1,CustomName:"\"Beep-Boop\"",CustomNameVisible:1,PersistenceRequired:1b,Glowing:1,CanPickUpLoot:1b,Health:50,Attributes:[{Name:"generic.maxHealth",Base:50},{Name:"generic.knockbackResistance",Base:0.75f},{Name:"generic.movementSpeed",Base:1f}],Fire:1277951,Silent:1,ExplosionRadius:50,Fuse:200,HandDropChances:[0.01F,2F],HandItems:[{id:"minecraft:acacia_leaves",tag:{display:{Name:"Creeper residue",Lore:["Ugh..."]}},Count:5},{id:"minecraft:tnt",tag:{display:{Name:BOOM,Lore:["KA-BOOOOOOOOOOM"]}},Count:64}],ArmorDropChances:[2F,2F,2F,2F],ArmorItems:[{id:"minecraft:creeper_head",tag:{display:{Name:"Head of Beep-Boop",Lore:["Rest in Peace"]}},Count:1},{},{},{}],ActiveEffects:[{Id:10,Amplifier:0,Duration:2147483647},{Id:11,Amplifier:0,Duration:2147483647},{Id:21,Amplifier:0,Duration:2147483647},{Id:23,Amplifier:0,Duration:2147483647},{Id:24,Amplifier:0,Duration:2147483647},{Id:28,Amplifier:0,Duration:2147483647}]}]}
Total Freeze arrow
/give @p minecraft:tipped_arrow{CustomPotionEffects:[{Id:2,Amplifier:7,Duration:2147483647,ShowParticles:0b},{Id:4,Amplifier:4,Duration:2147483647,ShowParticles:0b},{Id:9,Duration:1600,ShowParticles:0b},{Id:10,Amplifier:5,Duration:2147483647,ShowParticles:0b},{Id:11,Amplifier:4,Duration:2147483647,ShowParticles:0b},{Id:12,Duration:2147483647,ShowParticles:0b},{Id:13,Duration:2147483647,ShowParticles:0b},{Id:16,Duration:2147483647,ShowParticles:0b},{Id:21,Amplifier:4,Duration:2147483647,ShowParticles:0b},{Id:23,Amplifier:9,ShowParticles:0b},{Id:26,Amplifier:9,Duration:2147483647,ShowParticles:0b},{Id:28,Duration:2147483647,ShowParticles:0b},{Id:29,Duration:2147483647,ShowParticles:0b}],CustomPotionColor:12124155,display:{Name:"\"Absolute Zero\"",Lore:["Freezes on hit, BE CAREFULL!"]}}
RETARDED CREEPER
/summon minecraft:slime ~ ~1 ~ {Size:0,Passengers:[{id:"minecraft:creeper",CustomName:"\"REEEEEEEEEEtard\"",CustomNameVisible:1,PersistenceRequired:1b,Glowing:1,Health:20,Attributes:[{Name:"generic.maxHealth",Base:20},{Name:"generic.followRange",Base:5},{Name:"generic.knockbackResistance",Base:1f},{Name:"generic.movementSpeed",Base:0.5f}],ExplosionRadius:50,Fuse:0,HandDropChances:[2F,2F],HandItems:[{id:"minecraft:creeper_head",tag:{display:{Name:"RETARDED CREEPER",Lore:["REEEEEEEEEEEEEEEEEEEEEEEtard"]}},Count:1},{}],ActiveEffects:[{Id:8,Amplifier:9,Duration:2147483647,ShowParticles:0b},{Id:11,Amplifier:2,Duration:2147483647,ShowParticles:0b},{Id:12,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:24,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:28,Amplifier:0,Duration:2147483647,ShowParticles:0b}]}]}
YEET ARROW
/give @p minecraft:tipped_arrow{CustomPotionEffects:[{Id:1,Amplifier:9,Duration:9600,ShowParticles:0b},{Id:3,Amplifier:9,Duration:9600,ShowParticles:0b},{Id:5,Amplifier:9,Duration:9600,ShowParticles:0b},{Id:8,Amplifier:99,Duration:9600,ShowParticles:0b},{Id:9,Duration:480,ShowParticles:0b},{Id:11,Amplifier:4,Duration:16000,ShowParticles:0b},{Id:12,Duration:16000,ShowParticles:0b},{Id:13,Duration:16000,ShowParticles:0b},{Id:15,Duration:480,ShowParticles:0b},{Id:16,Duration:9600,ShowParticles:0b},{Id:23,Amplifier:2,ShowParticles:0b},{Id:24,Duration:16000,ShowParticles:0b},{Id:29,Duration:9600,ShowParticles:0b},{Id:30,Duration:9600,ShowParticles:0b}],CustomPotionColor:7820588,display:{Name:"\"YEET\"",Lore:["When applyed you goes sicko mode... YEET"]}}
Guardian Wither
/summon minecraft:wither ~ ~1 ~ {CustomName:"\"Guardian\"",CustomNameVisible:1,PersistenceRequired:1b,Glowing:1,Health:1000,Attributes:[{Name:"generic.maxHealth",Base:1000},{Name:"generic.followRange",Base:100},{Name:"generic.knockbackResistance",Base:0.5f}],Fire:1277951,HandDropChances:[2F,2F],HandItems:[{id:"minecraft:wither_skeleton_skull",tag:{display:{Name:"Guardian head",Lore:["sPo0Ky sTuFf.,."]}},Count:3},{id:"minecraft:soul_sand",tag:{display:{Name:"Guardian Soul Sand",Lore:["Gross..."]}},Count:64}],ActiveEffects:[{Id:2,Amplifier:4,Duration:2147483647,ShowParticles:0b},{Id:11,Amplifier:4,Duration:200},{Id:16,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:18,Amplifier:1,Duration:2147483647,ShowParticles:0b},{Id:23,Amplifier:2,Duration:2147483647,ShowParticles:0b},{Id:24,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:28,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:29,Amplifier:0,Duration:2147483647,ShowParticles:0b},{Id:30,Amplifier:0,Duration:2147483647,ShowParticles:0b}]}