function onCollisionEnter(co)
  ---------------
  textline = '5/5'
  ---------------

    local cardObject = co.collision_object
  if not(cardObject.type == "Card") then return end

  enc = Global.getVar('Encoder')
  if not(enc) then return end

  local pID = "_MTG_Simplified_UNIFIED"
  local tyrantOn=enc.call("APIobjIsPropEnabled",{obj=cardObject,propID=pID})

  if not(tyrantOn) then return end

  local encData = enc.call("APIobjGetPropData",{obj=cardObject,propID=pID})
  local data = encData["tyrantUnified"]
  local basePow=tonumber(data.cardFaces[data.activeFace].basePower)
  local baseTou=tonumber(data.cardFaces[data.activeFace].baseToughness)

  local newPow,newTou = textline:match('(%d+)/(%d+)')

  if basePow and baseTou and newPow and newTou then
    data.displayPowTou = true
    data.power = newPow - basePow
    data.toughness = newTou - baseTou
    enc.call("APIobjSetPropData",{obj=cardObject,propID=pID,data=encData})
    enc.call("APIrebuildButtons",{obj=cardObject})
  elseif newPow and newTou then
    data.displayPowTou = true
    data.power = newPow
    data.toughness = newTou
    enc.call("APIobjSetPropData",{obj=cardObject,propID=pID,data=encData})
    enc.call("APIrebuildButtons",{obj=cardObject})
  end

end