Thats neat if you want unique versions of your favorite cards
In this section, I will list several decklists as examples of modifications
Until end of turn, it gains hexproof, reach, and Whenever this creature becomes tapped, it deals damage equal to its power to up to one target creature. Illustrated by Jason Rainville Standard Not Legal Alchemy Not Legal Pioneer Not Legal Historic Not Legal Modern Not Legal Brawl Not Legal Legacy Legal Comp
This monstrous card has some of the best protection in the game, having protection from quite literally everything
At sorcery speed during your turn, you can tap one creature with 4 power (or two with 2 power each, or even build up over multiple turns) to add four charge counters and awaken the Sweeper as a 2/2 flyer
Additionally, you can use this information to try and influence opposing players into attacking one another