Randomness abounds here...

On the first day of Christmas, my Dark Lord gave to me...
A brand-new shiny One Ring

On the second day of Christmas, my Dark Lord gave to me...
Two Orcs a-chopping
And a brand-new shiny One Ring

On the third day of Christmas, my Dark Lord gave to me...
Three Uruk-hai
Two Orcs a-chopping
And a brand-new shiny One Ring

On the fourth day of Christmas my Dark Lord gave to me...
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

On the fifth day of Christmas, my Dark Lord gave to me...
Five Oliphaunts
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

On the sixth day of Christmas, my Dark Lord gave to me...
Six cave trolls
Five Oliphaunts
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

On the seventh day of Christmas, my Dark Lord gave to me...
Seven siege towers
Six cave trolls
Five Oliphaunts
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

On the eighth day of Christmas, my Dark Lord gave to me...
Eight troll-drawn catapults
Seven siege towers
Six cave trolls
Five Oliphaunts
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

On the ninth day of Christmas, my Dark Lord gave to me...
Nine Black Riders
Eight troll-drawn catapults
Seven siege towers
Six cave trolls
Five Oliphaunts
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

On the tenth day of Christmas, my Dark Lord gave to me...
Ten Balrogs
Nine Black Riders
Eight troll-drawn catapults
Seven siege towers
Six cave trolls
Five Oliphaunts
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

On the eleventh day of Christmas, my Dark Lord gave to me...
Eleven flaming Ents
Ten Balrogs
Nine Black Riders
Eight troll-drawn catapults
Seven siege towers
Six cave trolls
Five Oliphaunts
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

On the twelfth day of Christmas, my Dark Lord gave to me...
Twelve goblins swarming
Eleven flaming Ents
Ten Balrogs
Nine Black Riders
Eight troll-drawn catapults
Seven siege towers
Six cave trolls
Five Oliphaunts
Four Palantir
Three Uruk-hai
Two Orcs a-chopping
And a brand new shiny One Ring

That's all. Hope y'all enjoyed it!