And the system keeps growing
Pokmon has capitalized on this with the release of feature films, video games, and even exclusive events where cards are being handed out in small supply
While Heartless Hidetsugu from Betrayers of Kamigawa predated it, Niv-Mizzet was the driving force for changing it to only combat damage
The exact amount of land youll want is dictated by how high the mana costs in your deck are and also whether or not youve got reliable ramp (always have a Sol Ring) or if youve got other ways of playing your cards, such as bringing them back from the graveyard after discarding them
Tsuchigumo, the Poisonous Mayakashi - The LV5 Synchro that mills 3 for both sides
Aether Channeler, Sea Gate Oracle, Watcher of Tomorrow, Couldblazer, Augur of Bolas, and many more not only draw you extra cards, but in many cases let you take your pick of cards from the top of your deck