Put one of them onto the battlefield tapped under an opponent's control if the cost was paid
I know there were a great many discard cards that came out with newer sets and expansions, but Mind Twist, along with hypnotic Specter and hymn to Tourach were as simple, basic and powerful as they come
The limits are that this blue enchantment is a magecraft trigger, and most of the pieces you want to work with these kinds of cards doesn't trigger off copied spells
played: 2.832.834890966 37% of decksPercentage of decks that could play both Chorus of the Amphitheater (Blue) and Aether Spindle (Red) that play both
Take the card's current raw (ungraded) value, look at what PSA 9 and PSA 10 copies of the same card have actually sold for on eBay recently, and factor in your total submission cost including grading fee, postage both ways, any membership fees, and return duties