Like most Magic: The Gathering cards, the value of Winds of Change depends on a few consistent factors: its rarity, the printing and finish (regular or foil), its physical condition, and the set it was printed in (Through the Omenpaths Bonus Sheet)
A target opponent may have you draw a card, but if they don't, you may put a creature card with equal or lesser toughness from your hand directly onto the battlefield, cheating its mana cost entirely
your opponents can only have so much chaff before Azula steals real threats
But now, with OppAgent, anyone not running the spells that are really solid as cheap removal will be sad
As a refresher, WOTC decided to serialize in editions of 500 each of the 65 Multiverse Legend cards from MOM and the 5 new Praetors