As of release, Alternative Art Parasol Lady is going for around $25 to $30 , making it a relatively cheap pick-up for such a pretty card
As mentioned above, if you wanted to play the card Aeromunculus, for example, you'd need to include islands and forests in your deck to give you a good chance of having access to both colors throughout the game
Back when I was trying to put together my foil Cube in 2009 and 2010, it was easy enough to find things like Revised dual lands and Gaeas Cradle as long as I was willing to pay the price
First, you need to build your deck using the Deck Editor
It costs only 1 mana more, but it has the same power if you count both draw step and attack steps
FLUSTERSTORM One of the very first cards printed into the game as a Commander precon deck exclusive, Flusterstorm immediately carved out a home in Legacy and other eternal formats