That's nasty, because there is always someone frumping around with a bunch of key permanents to take out, like Primeval Titan, Deadeye Navigator, Elspeth, Sun's Champion, Karn Liberated, the aforementioned Mind's Eye or Sylvan Library, all of their non-lands
The reprints probably wont end there either, as there are a lot of possible ones on the table with various characters, objects, and locations that appear in both The Hobbit and Lord of the Rings
Giving all your dragons haste is already incredible, but stealing everyone elses dragons when it enters can lead to absolutely absurd swings
Strapped for cash, some turned to the internet to start selling their cards
It features an expanded world, with a second island of new gyms added to the original map
It asked you to chip through, get fuel for your processors, then win later with your Eldrazi swarm, both big and small