By the next set, Planar Chaos , there were already variations on this idea, and by Future Sight , the end of the Time Spiral block, you could see all kinds of Echo costs: red creatues could require you to pay black mana, cheap creatures to cast could end up being expensive later on, and Echo could even be something completely different than mana: Echo Discard a card. The possibilities that this little change opened up were incredible, and the Time Spiral block saw some really interesting Echo designs because of it
Sorcery Theft (CTRL to add secondary) Tutor Profane Tutor Suspend 2 (Rather than cast this card from your hand, pay and exile it with two time counters on it
If it does, then its one of the most expensive and rare cards of all time, selling in January for a whopping $493,000
The slower your draw, the more damage Black Vise does
But by far the biggest change has been the continued rise of the Commander format
The demand and prices paid for this card are sky-high, especially in this condition