I've spent a long time tracking prices for trading card games, so you'll find a few hints and tips below as well
(The copy becomes a token.) A resolving copy of a permanent spell becomes a token, so the token isn't "created." Effects that care about a token being created won't interact with a token that enters the battlefield from Tawnos, the Toymaker's ability
Now, there is a D-ring binder which is the best option for storing and keeping your cards fresh and good-looking for everyday use
Options include: Polymorph, Proteus Staff, Reweave, Mass Polymorph To really abuse this strategy, run only a few creatures in your deck, each one being a powerful target to cheat into play
Since these types of swords always show good results in both competitive play and on the market, it looks like Sword of Forge and Frontier will have a decent chance to keep its starting price of around $20