local monsters = {[xxx] = "rat", "dragon", "demon"}
function onUse(player, item, fromPosition, itemEx)
local position = player:getPosition()
local gift = monsters[math.random(#monsters)]
local monster = Game.createMonster(gift, position)
position:sendMagicEffect(CONST_ME_MAGIC_RED)
item:remove(1)
return true
end