You can activate a disguise on a face-down creature at any time you have priority, providing theres not an effect preventing you from doing so, like the ability on Karlov Watchdog
At 2-3 life remaining, the DON snowball creates threats most decks cannot answer before the combo resolves
According to PriceCharting, however, one PSA 10 graded version of the card sold for $12,000 at auction in 2021
Collectors and buyers will notice flaws immediately, and overpricing a damaged card wastes everyones time
Haliya, Guided by Light A legendary Soul Sister with a card draw ability is a fine payoff for a lifegain deck, so Haliya, Guided by Light is far from unplayable, even if it might be uninspiring
After adding the right number of creatures, removal spells, and combat tricks, my new Orzhov deck looks like this: Disclaimer: This is only a case study based on what I have in my collection