It doesn't matter if the original target has somehow become illegal itself
Like #5 below, it's great to pull out of your deck with a Sunforger
Northern Paladin could simply destroy target black permanent for just two White Mana, while Angry Mob has 2+*/2+*, where * was equal to the number of Swamps your opponent controlled
Of note, these arent bonus sheets but they are subsets, though they lack their own set code, like BIG and OTP were for Outlaws of Thunder Junction
The power of the power nine is often attributed to Richard Garfield 's mistake, but in fact, it is said that there was some degree of self-awareness.[2] During initial development, they expected each player to spend at most $40, so they figured that no matter how strong the card, a rare card in a town wouldn't ruin the game