If for some reason you tried to generate other mana outside your color identity (like if, for example, you were playing Rakdos and gained control of someones Noble Hierarch), it produced colorless instead
Theres a reason that you have to discard it rather than just reusing it like many other items: Ratigans Marvelous Trap is immensely powerful
Gravestorm is a keyword ability in Magic: The Gathering that creates a copy of a spell for each permanent put into a graveyard during a turn
Im even adding a few more to fill the vacated slots, though Im prioritizing cards which help us generate the mana needed to get through a winning turn
Mishras Factory is also one of the first Manlands in Magic, turning into a 2/2 Assembly-Worker creature for just one mana
Instead of scrapping the artwork, Richard Garfield, creator of Magic, designed the Birds of Paradise card to work with the art