destroy 1 Synchro Monster your opponent controls, and if you do, inflict damage to your opponent equal to its original ATK
That means finding the Pokemon itself, the Energy or Tool needed to attack, and the replacement for it once it inevitably gets Knocked Out too
The flavour for the effect is that the Orcish Farmer is so dirty that any land he works in 'turns into a pigpen'
They are not found in normal booster packs, often have unique designs or special holo effects, and can be played in official tournaments as long as they are not on the current banned list
Finally, you can play lands commanders like The Gitrog Monster or Titania, Protector of Argoth that can benefit from lands going to the graveyard, be it one or all of them