Blue Armor

Summons a suit of brilliant blue dyed armor.

Put this command into a impulse command block (Orange) un-conditional and needs redstone.

/summon armor_stand ~ ~1 ~ {CustomName:"Blue Clothed Armor Stand",CustomNameVisible:1,ArmorItems:[{id:"minecraft:leather_boots",Count:1b,tag:{Unbreakable:1,display:{color:255}}},{id:"minecraft:leather_leggings",Count:1b,tag:{Unbreakable:1,display:{color:255}}},{id:"minecraft:leather_chestplate",Count:1b,tag:{Unbreakable:1,display:{color:255}}},{id:"minecraft:leather_helmet",Count:1b,tag:{Unbreakable:1,display:{color:255}}}]}

Red Armor

Put this command into a impulse command block (Orange) un-conditional and needs redstone.
This summons a suit of brilliant red dyed armour.  (British spelling for fun.)

/summon armor_stand ~ ~1 ~ {CustomName:"Red Clothed Armor Stand",CustomNameVisible:1,ArmorItems:[{id:"minecraft:leather_boots",Count:1b,tag:{Unbreakable:1,display:{Name:"Red Boots",color:16711680}}},{id:"minecraft:leather_leggings",Count:1b,tag:{Unbreakable:1,display:{Name:"Red Pants",color:16711680}}},{id:"minecraft:leather_chestplate",Count:1b,tag:{Unbreakable:1,display:{Name:"Red Chestplate",color:16711680}}},{id:"minecraft:leather_helmet",Count:1b,tag:{Unbreakable:1,display:{Name:"Red Helmet",color:16711680}}}]}

Ultra Crystal

NOTE: This may cause game crashes and lag but it's very cool.

Put this command in a repeating command block (purple) un-conditional needs redstone, keep this on for about 15 second and then turn it off.

/summon ender_crystal ~ ~1.0 ~

Ultra Crystal

From above

Medicine

This potion gives you Strength III and Instant Health II but also Slowness II and Mining Fatigue IV.

Put this command into a impulse command block (Orange) un-conditional and needs redstone.

/give @p minecraft:potion 1 0 {display:{Name:"Medicine",Lore:["Helps you get better"]},CustomPotionEffects:[{Id:2,Amplifier:1,Duration:200,ShowParticles:0b},{Id:4,Amplifier:3,Duration:1600,ShowParticles:0b},{Id:5,Amplifier:2,Duration:2400,ShowParticles:0b},{Id:6,Amplifier:1,Duration:200,ShowParticles:0b}],CustomPotionColor:16711680}

Medicine

The Spyglass

This gives you a way to see farther.  Hold the spyglass in your main hand.

Put this command in a impulse (orange) command block un-conditional and needs redstone.

/give @p[c=1] minecraft:glass_bottle 1 0 {HideFlags:31,AttributeModifiers:[{AttributeName:"generic.movementSpeed",Name:"generic.movementSpeed",Amount:-80000,Operation:0,UUIDLeast:719543,UUIDMost:322340,Slot:"mainhand"}],display:{Name:"Spy Glass",Lore:["Lets you ZOOM IN"]}}

Ghastenstein

The Ghastenstein anchors a ghast on the body of a giant.  This mob is explosive and strong.

Put this command in a impulse (Orange) command block un-conditional and needs redstone.

/summon giant ~ ~1 ~ {Passengers:[{id:ghast}]}

The Ghastenstein!

Note the horse.

Llama Spit Waterfall

Put this command in a repeating (purple) command block un-conditional always active.

/summon llama_spit ~ ~5.3 ~

Gross but effective.

The Reaper

The Reaper is a slow and menacing custom mob.

Put this command in a impulse (orange) command block un-conditional and needs redstone.

/summon zombie ~ ~1 ~ {CustomName:"Reaper",CustomNameVisible:1,Tags:["reaperMagic"],IsVillager:0,IsBaby:0,CanBreakDoors:1,ArmorItems:[{},{},{},{id:"minecraft:skull",Damage:3,Count:1b,tag:{display:{Name:"Skull"},SkullOwner:skull,ench:[{id:1,lvl:1},{id:2,lvl:1},{id:3,lvl:1},{id:4,lvl:1}]}}],HandItems:[{id:"minecraft:iron_hoe",Count:1b,tag:{display:{Name:"Reaper Scythe",Lore:["END of your LIFE"]},ench:[{id:16,lvl:10},{id:32,lvl:1000000000}]}},{}],ArmorDropChances:[0.085F,0.085F,0.085F,0.0F],HandDropChances:[0.2F,0.085F],Attributes:[{Name:generic.maxHealth,Base:40},{Name:generic.attackDamage,Base:4},{Name:generic.followRange,Base:37},{Name:generic.knockbackResistance,Base:1},{Name:generic.armor,Base:2}],Health:40.0f,CanPickUpLoot:1b,Silent:1,LeftHanded:1,ActiveEffects:[{Id:14,Amplifier:6,Duration:20000000,ShowParticles:0b}]}

Drops:  Reaper Scythe

The Reaper

Reaper Scythe

The Saw Blade

Put this command in a repeating command block (purple) un-conditional and always active.

/summon evocation_fangs ~ ~1 ~

Noisy but deadly.