Oh yes, and even though the Commander precons will have typical prints for each card, you can still get special versions of them via Doctor Who's collector boosters
Toxrill is a 7/7 Slug Horror that puts a slime counter on each creature you don't control during each end step, providing each creature with -1/-1 for each slime counter on it
Today, most counterfeit cards are designed to pass various tests like the bend test and the light test, and some look almost exactly like the real thing, even upon close inspection (unless you're going really deep and using a jeweler's loupe, which is a good way to weed out fakes but too much work for the average player)
Note that if you really want to get hold of Ariel, Sonic Warrior for your deck, the standard, Ultra Rare card is selling for just $3 , so you dont have to break the bank unless you really must have the more spectacular version of the card