The best thing a control deck could ask for is a way to spend their unused mana on their turn, while simultaneously making disposable-yet-repeatable threats
There are also cards that are pushing the power barrier but either dont have a home or are a bit difficult to make work like Battlefield Thaumaturge, Sage of Hours, and Prophetic Flamespeaker
Second ability: Overload 6U If a deck is running blue, chances are it will contain Cyclonic Rift
This is a solid playable card you can build around
Across all categories, card value usually comes from: Scarcity (low print runs or no reprints) Demand (Commander, Legacy, collectors) Condition (graded cards sell higher) Aesthetic appeal (art, foils, alternate versions) Historical importance (early sets, iconic cards) How to Sell Magic: The Gathering Cards Safely If your cards have value, you can sell them through trusted channels