m13 booster box 2013 Magic Core Set (M13) The 2013 Core Deck contains multicoloured cards and sees the return of Legendary Creatures Magic 2013 Booster Battle Pack

Note that discover is better than cascade since you can just put it into your hand if you reveal something you don't want to cast, like Hero's Downfall when you have no major targets, so it's always card flow or draw

Now imagine being able to play those cards whenever you want

This being said, opening Counterspells, Brainstorms, and Relentless Rats at a rate of more than two per box (on average) is a nice bonus for players and helps make sure you come away with a little something even when your rares and mythics are poor

This Ability isnt just powerful, but its flexible as well, since it is active whether Lucario is tucked away in the Bench or fighting in the Active Spot