Discerning whether abilities or extra power and toughness are worth more is non-trivial, quite context-dependent, and likely will be the key to properly building decks based around this new take on the mechanic, as there are ways to use it to add more power to the battlefield
Brawl Legal Vintage Legal Timeless Legal Commander Legal Pauper Not Legal Oathbreaker Legal Penny Not Legal Toolbox Buy This Card Notes and Rules Information for Gold Rush: You dont have to choose a target for Gold Rush
Offer Guide 80-120 Dinky Supertoys Ruston Bucyrus Excavator No: 975, boxed Offer Guide 100-200 Seven vintage/handmade soft toys, comprising Humpty Dumpty, rabbit, panda, koala, golly and bears Offer Guide 50-100 1930s Dean's Rag Book Mickey Mouse, with green felt shorts, yellow felt hands and feet and
Either way, grading those cards is a much more desirable method of preserving that card than letting it sit around in a binder somewhere