Essentially, banding says that creatures with banding, plus one without banding, can attack or block as a group, but even that doesnt quite capture it
See you on the battlefield
There are a few ways of doing it, but the main ones are: Sacrificing Yargle and Multani to Jarad, Golgari Lich Lord to make your opponents lose life equal to their power
Even just alone, Atraxa only costs four mana, is a 4/4 creature, and is drowning in dangerous keyword abilities
In addition, some cards specify other ways to win or lose the game." Here are some external resources if you want to learn how to play: Colors In Magic, there are 5 colors of magic, White, Blue, Black, Red, and Green
Lady Octopus, Inspired Inventor Rating: 0/10 This card looks incredibly strong for other formats, but Marvels Spider-Man doesnt have a particularly strong focus on artifacts