Seven is a lot of cards, even for our "early rotation" window, and especially so since it has been over two years since any cards at all were banned in Standard
That means that the Fall half of Rise // Fall misses the cut
That said, Exploration is more guaranteed, as it's only dependent on you having the second land to play and not your opponents also playing lands
Because of this, these strategies will opt for playing a wall or a powerful one-prize card to slow down the game
Pair her with other Elementals or planeswalkers, or incorporate her into a creature-sacrifice strategy
The difference between 30,000 bulk cards from Alpha through Mirrodin and 30,000 bulk cards from Magic 2010 through Khans of Tarkir is hundreds possibly thousands of dollars, so being able to evaluate the collection in person is extremely valuable