For example, if you scry 2 and put two lands on the bottom of your library that you had absolutely no use for, people will often describe this as drawing two cards. Of course, you didn't actually put any material in your hand, so you didn't actually draw anything, hence the virtual card advantage
Cards Without Regulation Marks Cards printed before the Sun & Moon era don't have regulation marks

Link 3 Vorticular Drumgon!" "Vorticular Drumgon activates when it's Special Summoned!" Most of the time, when Varis declares an attack with that monster, he says, "Vorticular Drumgon attacks!" When Varis Summons "Anesthrokket Dragon" he announces "Anesthrokket Dragon!" When activating the first effect of that monster, Varis says "A Link Monster's effect targeted Anesthrokket Dragon!" When activating the second effect of that monster, Varis says "Anesthrokket Dragon's effect activates during the End Phase!" Most of the time, when Varis declares an attack with that monster, he says, "Anesthrokket Dragon, attack!" When Varis Summons "Autorokket Dragon" he announces, "Autorokket Dragon!" When activating the first effect of that monster, Varis says "Autorokket Dragon was targeted by a Link Monster's effect!" When activating the second effect of that monster, Varis says "Autorokket Dragon's effect activates during this End Phase!" Most of the time, when Varis declares an attack with that monster, he says, "Autorokket Dragon, attack!" When Varis Summons "Exploderokket Dragon" he announces, "Exploderokket Dragon!" "Magnarokket Dragon's effect activates during this End Phase!" Most of the time, when Varis declares an attack with that monster, he says, "Exploderokket Dragon

He expresses distaste with the idea, saying that "cards should generally have to prove they are too strong" and that this is a "very rare and special exception"
Instead of pulling a random card from the top of your library, tutoring lets you pick up your deck and find the exact card you need