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 (Fourth Edition)
Cascade was one of the most busted keyword abilities ever created in Magic history, and Dinosaurs even feature a card with that text (Annoyed Altisaur)
Since Invasion' s creature wars usually began on turn two, you could drop a turn two bear, and then hold back Exclude for anything your opponent might drop
Even outside of that use-case, Springheart Nantuko is a fantastic creature that can generate absurd amounts of value regardless of what you may or may not bestow it upon
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It's one of the various counter spells that Blue gets in this expansion, but that weird