• Leather
  20 use, reduces incoming physical damage by half (when used with bowl, only receives 25% of original damage), incompatible with Rabbit Hide
• Rabbit Hide
  20 use, reduces incoming physical damage by 12.5%, grants half the speed boost of sugar, incompatible with Leather
• Food
  4 use, heals soldier when below 25%; food in a bowl (rabbit stew and mushroom stew, even modded soups) should drop bowls, healed XP is hungerPoints * 0.5
• GoldNugget
  inf use, gives soldier a crown, all of team follows the king
• Glowstone
  inf use, makes soldier glow, block gives to infinite soldiers
• Gunpowder
  1 use, soldier explodes on death; incompatible with magmacream/firework star
• MagmaCream
  1 use, places a 2 second time bomb on the soldier which deals the final attack if killed by melee hit, incompatible with gunpowder/fireworkstar
• Sugar
  inf use, makes soldier move faster, incompatible with diamond
• Clay
  4 use, revives fallen soldiers of own color
• GhastTear
  2 use, revives brick dolls to own color
• RedstoneDust
  4 use, causes target to entirely stop attacking for 3 seconds, applied by all thrown and melee attacks, Redstone Block as infinite redstone supply
• Slimeball
  5 use, causes target to entirely stop moving for 3 seconds, applied by all thrown and melee attacks, Slimeblock as infinite slimeballs
• Feather
  inf use, soldier can not attack while falling, soldier's fall is slowed greatly and takes no damage on landing, no effect with iron ingot or while mounted
• GlassBottle/Pane/Block
  inf use, doubles vision range, soldier can see stealthed enemies, bottles and panes give 1, block as infinite supply, stained glass gives colored goggles
• Paper/Book
  inf use, gives a plain cape, dyed paper and books give colored capes, book as infinite supply
• Diamond
  inf use, gives super crown and cape, doubles number of uses for all limited use items, grants sugar speed boost, multiplies hp by 10, incompatible with diamondblock
• DiamondBlock
  inf use, gives super crown and cape, multiplies limited use item uses by five, grants sugar speed boost, multiplies hp by 80, incompatible with diamond
• EnderPearl
  inf use, soldier zombifies, gains +5 hp, heals fully when deals last hit to a target, targets slain become zombies, dies after 10 minutes of no fighting
• BlazePowder
  1 use, instantly kills target with fire, turning it into brick doll
• RedMushroom
  1 use, applies poison to target
• BrownMushroom
  2 use, heals soldier for 10 hp when below 25%
• LillyPad
  inf use, soldier has pants and will float on water, no effect when used with iron ingot
• Egg
  inf use, soldier is ghostly and can not be detected by enemies not wearing glass goggles, doubles damage output of shears, will be detected when others wearing glasses
• WheatSeed
  inf use, soldier can NOT be infected by any zombification
• WoodButton
  inf use, increases melee damage by 1 when no weapon is equipped, incompatible with stone button
• StoneButton
  inf use, increases melee damage by 2 when no weapon is equipped, incompatible with wood button
• MobHead
  inf use, gives the soldier a mask to wear
• FireworkStar
  1 use, soldier explodes on death in a firework effect, incompatible with gunpowder/magmacream
• Rabbit Foot
  inf use, jump boost allowing soldiers to climb 1.5 blocks, letting them get on top of fences and related structures
• Prismarine Crystals
  inf use, makes soldiers glitter, that's all

you've already asked that in another issue <.<
I've answered that there.