Those are just characters, as Megabot, Baymaxs Healthcare Chip, and Heffalumps And Woozles all give you more options to play with, including banishing an opposing item from play, healing damage from your characters, or making it so a character cant quest during their next turn
At the very least, many common cards can be used as ink , but they can also be used to shift stronger cards and support them
Considering how many effects create these tokens, and how many noncreature spells you can run in this format where half your creature slots are actually equipment, those triggers can end up doing more than half your damage in a lot of games
Each turn, you get to turn another one of your creatures into a Mutant at the beginning of combat