In Magic , it's a 4-CMC 3/4 creature with flash and flying, and it also has the ability to airbend any number of other nonland permanents you control, which can be a great defensive tool against a board wipe or a combat trick of sorts
Being able to make non-legendary copies is always great for any MTG commander that you'd like to have two copies of, and in a fliers deck or something, your board will get very big very quickly
You may cast any number of spells from among them without paying their mana costs
Whenever new cards are added, new combinations rise up, new ideas and team-ups reveal themselves, and the game changes, ever so slightly, to expand the fun and strategy
Mutate is similar
The flexibility of an artifact creature at the kitchen table, particularly, with respect to colorless ones, is pretty important to evaluating it as a card