Planeswalker, Instant, Dragon..
Acquired Price Override: (Total Acquisition Costs / Number of Cards) = avg price
Shift + Delete: Clear Item Search
Shift + Backspace: Clear Item Search
ESC: Minimize and Clear Item Search, Advanced Search, and Set Search
Enter: Shortcut to Open Card Page
MTG Mirrodin was released on 2003-10-03 with 306 items.