If you're looking to buy and sell expensive Magic: The Gathering cards, it's always important to know how to determine fake copies from the real ones, and with the advanced printing technology these days, some fake copies are hard to spot. However, if you know the various techniques used to spot a fake Magic card, you'll have more confidence in purchasing the cards you want.
If you want to learn such techniques, YouTube Professor Picklez has shared a video showing you how to tell a fake or real revised dual land card. He uses six different ways: naked eye appeal, feel, rosette pattern, light test, bend test, and tear test. Watch him explain each technique below, and you can also watch him tear the fake copy of a dual land in the video.