Whenever you attack with it, the defending player must exile the top 20 cards of their library
This makes them glass cannons that can dish out damage in a challenge, but fold easily to interaction
BPhillipYork: So this will do some damage, typically, depending on where your opponents fall on the games theory spectrum, the best move is typically to eat the damage unless you have a low life or something
The default is to ping your own creatures for card draw, like a DIY Phyrexian Arena
The first expansion for Magic: The Gathering, Arabian Nights, was released in December 1993, marking the beginning of a series of expansions that would follow regularly
very well explained and good and detailed description, you can see you put time and effort into making this