There is a way to template the ability so that it technically reads a little more blue (for example, instead of preventing the casting, it could allow it and then counter it) but it would just have been significantly wordier and would have had the same basic effect
Cavern-Hoard Dragon Once weve announced the spell, its too late for our (untargeted) opponents to get rid of artifacts and avoid making the spell less expensive
Each player who does draws seven cards
Every detail is designed to feel cohesive, collectible, and fun to bring to the table
Thats why I stressed the many other themes you can build into a discard deck before getting to this one
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