In Commander, you can use the Instant to ramp, remove an artifact or as a Shock
Also, many artifacts with craft do something when they enter the battlefield, and they transform into something more useful later like a strong vehicle, equipment, or artifact creature
This is important: if they accept, then the other player, even though they have not initiated the trade, has to match your card's rarity, spend the same amount of Trade Tokens, use up the same amount of Stamina, and even make sure to apply a Flair effect to the card they're offering, if you did so to yours
Bites impact is very dependent on when it gets cast